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72960105 = 3516093023
BaseRepresentation
bin1000101100101…
…00100001101001
312002021202110010
410112110201221
5122134210410
611123442133
71544102451
oct426244151
9162252403
1072960105
1138203009
1220526349
1312166c7a
149992d61
156612c20
hex4594869

72960105 has 16 divisors (see below), whose sum is σ = 116847360. Its totient is φ = 38875008.

The previous prime is 72960101. The next prime is 72960113. The reversal of 72960105 is 50106927.

It is not a de Polignac number, because 72960105 - 22 = 72960101 is a prime.

It is a super-2 number, since 2×729601052 = 10646353843222050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (72960101) 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 15 ways as a sum of consecutive naturals, for example, 22624 + ... + 25646.

It is an arithmetic number, because the mean of its divisors is an integer number (7302960).

Almost surely, 272960105 is an apocalyptic number.

It is an amenable number.

72960105 is a deficient number, since it is larger than the sum of its proper divisors (43887255).

72960105 is a wasteful number, since it uses less digits than its factorization.

72960105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4640.

The product of its (nonzero) digits is 3780, while the sum is 30.

The square root of 72960105 is about 8541.6687479672. The cubic root of 72960105 is about 417.8577711813.

The spelling of 72960105 in words is "seventy-two million, nine hundred sixty thousand, one hundred five".

Divisors: 1 3 5 15 1609 3023 4827 8045 9069 15115 24135 45345 4864007 14592021 24320035 72960105