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74388102 = 2340930313
BaseRepresentation
bin1000110111100…
…01001010000110
312011222022021220
410123301022012
5123020404402
611214221210
71562200635
oct433611206
9164868256
1074388102
1138a98978
1220ab4806
1312546c39
149c4551c
1567e5dbc
hex46f1286

74388102 has 16 divisors (see below), whose sum is σ = 149144880. Its totient is φ = 24734592.

The previous prime is 74388089. The next prime is 74388121. The reversal of 74388102 is 20188347.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12703 + ... + 17610.

It is an arithmetic number, because the mean of its divisors is an integer number (9321555).

Almost surely, 274388102 is an apocalyptic number.

74388102 is an abundant number, since it is smaller than the sum of its proper divisors (74756778).

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

74388102 is a wasteful number, since it uses less digits than its factorization.

74388102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30727.

The product of its (nonzero) digits is 10752, while the sum is 33.

The square root of 74388102 is about 8624.8537378903. The cubic root of 74388102 is about 420.5663222035.

The spelling of 74388102 in words is "seventy-four million, three hundred eighty-eight thousand, one hundred two".

Divisors: 1 2 3 6 409 818 1227 2454 30313 60626 90939 181878 12398017 24796034 37194051 74388102