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72486010 = 257248601
BaseRepresentation
bin1000101001000…
…00110001111010
312001101200010001
410110200301322
5122024023020
611105343214
71540056322
oct424406172
9161350101
1072486010
1137a098a3
1220337b0a
131202c23c
1498ac282
15656c50a
hex4520c7a

72486010 has 8 divisors (see below), whose sum is σ = 130474836. Its totient is φ = 28994400.

The previous prime is 72485999. The next prime is 72486017. The reversal of 72486010 is 1068427.

It can be written as a sum of positive squares in 2 ways, for example, as 72233001 + 253009 = 8499^2 + 503^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 72486010.

It is not an unprimeable number, because it can be changed into a prime (72486017) 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 3 ways as a sum of consecutive naturals, for example, 3624291 + ... + 3624310.

Almost surely, 272486010 is an apocalyptic number.

72486010 is a deficient number, since it is larger than the sum of its proper divisors (57988826).

72486010 is a wasteful number, since it uses less digits than its factorization.

72486010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7248608.

The product of its (nonzero) digits is 2688, while the sum is 28.

The square root of 72486010 is about 8513.8716222410. The cubic root of 72486010 is about 416.9507232822.

The spelling of 72486010 in words is "seventy-two million, four hundred eighty-six thousand, ten".

Divisors: 1 2 5 10 7248601 14497202 36243005 72486010