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74313880 = 23517310739
BaseRepresentation
bin1000110110111…
…11000010011000
312011211112110221
410123133002120
5123011021010
611212445424
71561441354
oct433370230
9164745427
1074313880
1138a48133
1220a79874
131251c214
149c26464
1567cddda
hex46df098

74313880 has 32 divisors (see below), whose sum is σ = 168188400. Its totient is φ = 29550976.

The previous prime is 74313857. The next prime is 74313887. The reversal of 74313880 is 8831347.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74313887) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1551 + ... + 12289.

Almost surely, 274313880 is an apocalyptic number.

It is an amenable number.

74313880 is an abundant number, since it is smaller than the sum of its proper divisors (93874520).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

74313880 is a wasteful number, since it uses less digits than its factorization.

74313880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10923 (or 10919 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 34.

The square root of 74313880 is about 8620.5498664528. The cubic root of 74313880 is about 420.4263999116.

It can be divided in two parts, 7431 and 3880, that added together give a palindrome (11311).

The spelling of 74313880 in words is "seventy-four million, three hundred thirteen thousand, eight hundred eighty".

Divisors: 1 2 4 5 8 10 20 40 173 346 692 865 1384 1730 3460 6920 10739 21478 42956 53695 85912 107390 214780 429560 1857847 3715694 7431388 9289235 14862776 18578470 37156940 74313880