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72056062 = 2139728571
BaseRepresentation
bin1000100101101…
…11110011111110
312000120211100001
410102313303332
5121421243222
611052224514
71533315661
oct422676376
9160524301
1072056062
1137745871
122016b13a
1311c0b630
1497d96d8
1564d4e27
hex44b7cfe

72056062 has 16 divisors (see below), whose sum is σ = 117602352. Its totient is φ = 32912640.

The previous prime is 72056009. The next prime is 72056063. The reversal of 72056062 is 26065027.

It is a self number, because there is not a number n which added to its sum of digits gives 72056062.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72056063) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11764 + ... + 16807.

It is an arithmetic number, because the mean of its divisors is an integer number (7350147).

Almost surely, 272056062 is an apocalyptic number.

72056062 is a deficient number, since it is larger than the sum of its proper divisors (45546290).

72056062 is a wasteful number, since it uses less digits than its factorization.

72056062 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28683.

The product of its (nonzero) digits is 5040, while the sum is 28.

The square root of 72056062 is about 8488.5842164639. The cubic root of 72056062 is about 416.1247122083.

The spelling of 72056062 in words is "seventy-two million, fifty-six thousand, sixty-two".

Divisors: 1 2 13 26 97 194 1261 2522 28571 57142 371423 742846 2771387 5542774 36028031 72056062