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72150795 = 3253151721
BaseRepresentation
bin1000100110011…
…10111100001011
312000202122021200
410103032330023
5121432311140
611054235243
71534162113
oct423167413
9160678250
1072150795
11377aaa62
12201b5b23
1311c427a2
149822043
156503030
hex44cef0b

72150795 has 24 divisors (see below), whose sum is σ = 129098112. Its totient is φ = 37238400.

The previous prime is 72150773. The next prime is 72150803. The reversal of 72150795 is 59705127.

It is not a de Polignac number, because 72150795 - 26 = 72150731 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 24466 + ... + 27255.

It is an arithmetic number, because the mean of its divisors is an integer number (5379088).

Almost surely, 272150795 is an apocalyptic number.

72150795 is a deficient number, since it is larger than the sum of its proper divisors (56947317).

72150795 is a wasteful number, since it uses less digits than its factorization.

72150795 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51763 (or 51760 counting only the distinct ones).

The product of its (nonzero) digits is 22050, while the sum is 36.

The square root of 72150795 is about 8494.1624072065. The cubic root of 72150795 is about 416.3069937921.

The spelling of 72150795 in words is "seventy-two million, one hundred fifty thousand, seven hundred ninety-five".

Divisors: 1 3 5 9 15 31 45 93 155 279 465 1395 51721 155163 258605 465489 775815 1603351 2327445 4810053 8016755 14430159 24050265 72150795