Search a number
-
+
77925093 = 3174311
BaseRepresentation
bin1001010010100…
…00101011100101
312102122000010120
410221100223211
5124422100333
611422112153
71634231601
oct451205345
9172560116
1077925093
113aa94304
122211b659
13131b4b2c
14a4c6501
156c93db3
hex4a50ae5

77925093 has 20 divisors (see below), whose sum is σ = 110748768. Its totient is φ = 48736960.

The previous prime is 77925079. The next prime is 77925109. The reversal of 77925093 is 39052977.

It is not a de Polignac number, because 77925093 - 213 = 77916901 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77925193) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 250408 + ... + 250718.

Almost surely, 277925093 is an apocalyptic number.

It is an amenable number.

77925093 is a deficient number, since it is larger than the sum of its proper divisors (32823675).

77925093 is an frugal number, since it uses more digits than its factorization.

77925093 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 382 (or 331 counting only the distinct ones).

The product of its (nonzero) digits is 119070, while the sum is 42.

The square root of 77925093 is about 8827.5190738961. The cubic root of 77925093 is about 427.1290499851.

The spelling of 77925093 in words is "seventy-seven million, nine hundred twenty-five thousand, ninety-three".

Divisors: 1 3 17 51 289 311 867 933 4913 5287 14739 15861 83521 89879 250563 269637 1527943 4583829 25975031 77925093