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74980590 = 2356140973
BaseRepresentation
bin1000111100000…
…01110011101110
312020002102000220
410132001303232
5123143334330
611235032210
71600216206
oct436016356
9166072026
1074980590
1139363033
122113b666
13126c3819
149d5b406
1568b1710
hex4781cee

74980590 has 32 divisors (see below), whose sum is σ = 182907936. Its totient is φ = 19666560.

The previous prime is 74980583. The next prime is 74980627. The reversal of 74980590 is 9508947.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18657 + ... + 22316.

It is an arithmetic number, because the mean of its divisors is an integer number (5715873).

Almost surely, 274980590 is an apocalyptic number.

74980590 is an abundant number, since it is smaller than the sum of its proper divisors (107927346).

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

74980590 is a wasteful number, since it uses less digits than its factorization.

74980590 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41044.

The product of its (nonzero) digits is 90720, while the sum is 42.

The square root of 74980590 is about 8659.1333284573. The cubic root of 74980590 is about 421.6799494497.

The spelling of 74980590 in words is "seventy-four million, nine hundred eighty thousand, five hundred ninety".

Divisors: 1 2 3 5 6 10 15 30 61 122 183 305 366 610 915 1830 40973 81946 122919 204865 245838 409730 614595 1229190 2499353 4998706 7498059 12496765 14996118 24993530 37490295 74980590