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230169556 = 22232501843
BaseRepresentation
bin11011011100000…
…01101111010100
3121001002211021101
431232001233110
5432410411211
634501155444
75463260161
oct1556015724
9531084241
10230169556
11108a19881
12650bbb84
13388bb506
14227d7068
15153185c1
hexdb81bd4

230169556 has 12 divisors (see below), whose sum is σ = 420309792. Its totient is φ = 110081048.

The previous prime is 230169551. The next prime is 230169557. The reversal of 230169556 is 655961032.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230169551) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1250830 + ... + 1251013.

It is an arithmetic number, because the mean of its divisors is an integer number (35025816).

Almost surely, 2230169556 is an apocalyptic number.

It is an amenable number.

230169556 is a deficient number, since it is larger than the sum of its proper divisors (190140236).

230169556 is a wasteful number, since it uses less digits than its factorization.

230169556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2501870 (or 2501868 counting only the distinct ones).

The product of its (nonzero) digits is 48600, while the sum is 37.

The square root of 230169556 is about 15171.3399540054. The cubic root of 230169556 is about 612.8430895276.

The spelling of 230169556 in words is "two hundred thirty million, one hundred sixty-nine thousand, five hundred fifty-six".

Divisors: 1 2 4 23 46 92 2501843 5003686 10007372 57542389 115084778 230169556