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80093925 = 32523111483
BaseRepresentation
bin1001100011000…
…10001011100101
312120201012012200
410301202023211
5131001001200
611540405113
71661533662
oct461421345
9176635180
1080093925
114123582a
12229a6799
1313794072
14a8cca69
157071800
hex4c622e5

80093925 has 36 divisors (see below), whose sum is σ = 148097664. Its totient is φ = 41335200.

The previous prime is 80093903. The next prime is 80093929. The reversal of 80093925 is 52939008.

It is not a de Polignac number, because 80093925 - 28 = 80093669 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 80093925.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80093929) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 1234 + ... + 12716.

It is an arithmetic number, because the mean of its divisors is an integer number (4113824).

Almost surely, 280093925 is an apocalyptic number.

It is an amenable number.

80093925 is a deficient number, since it is larger than the sum of its proper divisors (68003739).

80093925 is a wasteful number, since it uses less digits than its factorization.

80093925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11530 (or 11522 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 36.

The square root of 80093925 is about 8949.5209368994. The cubic root of 80093925 is about 431.0555014541.

It can be divided in two parts, 80093 and 925, that added together give a palindrome (81018).

The spelling of 80093925 in words is "eighty million, ninety-three thousand, nine hundred twenty-five".

Divisors: 1 3 5 9 15 25 31 45 75 93 155 225 279 465 775 1395 2325 6975 11483 34449 57415 103347 172245 287075 355973 516735 861225 1067919 1779865 2583675 3203757 5339595 8899325 16018785 26697975 80093925