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75272916 = 22311355511
BaseRepresentation
bin1000111110010…
…01001011010100
312020122021000210
410133021023110
5123232213131
611245205420
71602544365
oct437111324
9166567023
1075272916
1139542724
1221260870
13127968b4
149dd5b6c
15691d146
hex47c92d4

75272916 has 24 divisors (see below), whose sum is σ = 177194304. Its totient is φ = 24868480.

The previous prime is 75272903. The next prime is 75272917. The reversal of 75272916 is 61927257.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75272917) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26400 + ... + 29111.

It is an arithmetic number, because the mean of its divisors is an integer number (7383096).

Almost surely, 275272916 is an apocalyptic number.

It is an amenable number.

75272916 is an abundant number, since it is smaller than the sum of its proper divisors (101921388).

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

75272916 is a wasteful number, since it uses less digits than its factorization.

75272916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55631 (or 55629 counting only the distinct ones).

The product of its digits is 52920, while the sum is 39.

The square root of 75272916 is about 8675.9965421846. The cubic root of 75272916 is about 422.2272384856.

The spelling of 75272916 in words is "seventy-five million, two hundred seventy-two thousand, nine hundred sixteen".

Divisors: 1 2 3 4 6 12 113 226 339 452 678 1356 55511 111022 166533 222044 333066 666132 6272743 12545486 18818229 25090972 37636458 75272916