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74194490 = 2514835003
BaseRepresentation
bin1000110110000…
…01111000111010
312011121110201002
410123001320322
5122443210430
611210125002
71560433316
oct433017072
9164543632
1074194490
1138976467
1220a20762
13124a9a86
149bd4b46
1567a8845
hex46c1e3a

74194490 has 16 divisors (see below), whose sum is σ = 133666848. Its totient is φ = 29651856.

The previous prime is 74194489. The next prime is 74194507. The reversal of 74194490 is 9449147.

It is an unprimeable number.

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, 12329 + ... + 17331.

It is an arithmetic number, because the mean of its divisors is an integer number (8354178).

Almost surely, 274194490 is an apocalyptic number.

74194490 is a deficient number, since it is larger than the sum of its proper divisors (59472358).

74194490 is a wasteful number, since it uses less digits than its factorization.

74194490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6493.

The product of its (nonzero) digits is 36288, while the sum is 38.

The square root of 74194490 is about 8613.6223506722. The cubic root of 74194490 is about 420.2011319345.

The spelling of 74194490 in words is "seventy-four million, one hundred ninety-four thousand, four hundred ninety".

Divisors: 1 2 5 10 1483 2966 5003 7415 10006 14830 25015 50030 7419449 14838898 37097245 74194490