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72536429 = 759175633
BaseRepresentation
bin1000101001011…
…01000101101101
312001111020021102
410110231011231
5122032131204
611110412445
71540356320
oct424550555
9161436242
1072536429
1137a43769
1220361125
1312049184
1498c27b7
15657c41e
hex452d16d

72536429 has 8 divisors (see below), whose sum is σ = 84304320. Its totient is φ = 61119936.

The previous prime is 72536423. The next prime is 72536447. The reversal of 72536429 is 92463527.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 72536429 - 24 = 72536413 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 72536392 and 72536401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72536423) 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, 87404 + ... + 88229.

It is an arithmetic number, because the mean of its divisors is an integer number (10538040).

Almost surely, 272536429 is an apocalyptic number.

It is an amenable number.

72536429 is a deficient number, since it is larger than the sum of its proper divisors (11767891).

72536429 is a wasteful number, since it uses less digits than its factorization.

72536429 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 175699.

The product of its digits is 90720, while the sum is 38.

The square root of 72536429 is about 8516.8320988499. The cubic root of 72536429 is about 417.0473735014.

The spelling of 72536429 in words is "seventy-two million, five hundred thirty-six thousand, four hundred twenty-nine".

Divisors: 1 7 59 413 175633 1229431 10362347 72536429