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1304794080 = 25325906107
BaseRepresentation
bin100110111000101…
…1001001111100000
310100221012101222200
41031301121033200
510133011402310
6333250133200
744222365242
oct11561311740
93327171880
101304794080
1160a582117
12304b81200
1317a426105
14c540c092
157983a9c0
hex4dc593e0

1304794080 has 72 divisors (see below), whose sum is σ = 4452614712. Its totient is φ = 347944704.

The previous prime is 1304794069. The next prime is 1304794091. The reversal of 1304794080 is 804974031.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1304794069) and next prime (1304794091).

It is a tau number, because it is divible by the number of its divisors (72).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 451614 + ... + 454493.

It is an arithmetic number, because the mean of its divisors is an integer number (61841871).

Almost surely, 21304794080 is an apocalyptic number.

1304794080 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1304794080 is an abundant number, since it is smaller than the sum of its proper divisors (3147820632).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1304794080 is a wasteful number, since it uses less digits than its factorization.

1304794080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 906128 (or 906117 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The square root of 1304794080 is about 36121.9335030671. The cubic root of 1304794080 is about 1092.7328333735.

The spelling of 1304794080 in words is "one billion, three hundred four million, seven hundred ninety-four thousand, eighty".

Divisors: 1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 30 32 36 40 45 48 60 72 80 90 96 120 144 160 180 240 288 360 480 720 1440 906107 1812214 2718321 3624428 4530535 5436642 7248856 8154963 9061070 10873284 13591605 14497712 16309926 18122140 21746568 27183210 28995424 32619852 36244280 40774815 43493136 54366420 65239704 72488560 81549630 86986272 108732840 130479408 144977120 163099260 217465680 260958816 326198520 434931360 652397040 1304794080