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75272976 = 24342412
BaseRepresentation
bin1000111110010…
…01001100010000
312020122021010000
410133021030100
5123232213401
611245210000
71602544512
oct437111420
9166567100
1075272976
1139542779
1221260900
131279692c
149dd5bb2
15691d186
hex47c9310

75272976 has 75 divisors (see below), whose sum is σ = 218769573. Its totient is φ = 24986880.

The previous prime is 75272971. The next prime is 75272999. The reversal of 75272976 is 67927257.

The square root of 75272976 is 8676.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 56610576 + 18662400 = 7524^2 + 4320^2 .

It is not an unprimeable number, because it can be changed into a prime (75272971) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 312216 + ... + 312456.

Almost surely, 275272976 is an apocalyptic number.

75272976 is the 8676-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 75272976

75272976 is an abundant number, since it is smaller than the sum of its proper divisors (143496597).

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

75272976 is an equidigital number, since it uses as much as digits as its factorization.

75272976 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 502 (or 246 counting only the distinct ones).

The product of its digits is 370440, while the sum is 45.

The cubic root of 75272976 is about 422.2273506713.

The spelling of 75272976 in words is "seventy-five million, two hundred seventy-two thousand, nine hundred seventy-six".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 27 36 48 54 72 81 108 144 162 216 241 324 432 482 648 723 964 1296 1446 1928 2169 2892 3856 4338 5784 6507 8676 11568 13014 17352 19521 26028 34704 39042 52056 58081 78084 104112 116162 156168 174243 232324 312336 348486 464648 522729 696972 929296 1045458 1393944 1568187 2090916 2787888 3136374 4181832 4704561 6272748 8363664 9409122 12545496 18818244 25090992 37636488 75272976