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74066028 = 22319563577
BaseRepresentation
bin1000110101000…
…10100001101100
312011100221111020
410122202201230
5122430103103
611203254140
71556356641
oct432424154
9164327436
1074066028
11388989a3
122097a350
131246346a
149b9ddc8
156780753
hex46a286c

74066028 has 48 divisors (see below), whose sum is σ = 182555520. Its totient is φ = 23307264.

The previous prime is 74065997. The next prime is 74066039. The reversal of 74066028 is 82066047.

It is a self number, because there is not a number n which added to its sum of digits gives 74066028.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 128076 + ... + 128652.

It is an arithmetic number, because the mean of its divisors is an integer number (3803240).

Almost surely, 274066028 is an apocalyptic number.

It is an amenable number.

74066028 is an abundant number, since it is smaller than the sum of its proper divisors (108489492).

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

74066028 is a wasteful number, since it uses less digits than its factorization.

74066028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1166 (or 1164 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 33.

The square root of 74066028 is about 8606.1622108812. The cubic root of 74066028 is about 419.9584766205.

The spelling of 74066028 in words is "seventy-four million, sixty-six thousand, twenty-eight".

Divisors: 1 2 3 4 6 12 19 38 57 76 114 228 563 577 1126 1154 1689 1731 2252 2308 3378 3462 6756 6924 10697 10963 21394 21926 32091 32889 42788 43852 64182 65778 128364 131556 324851 649702 974553 1299404 1949106 3898212 6172169 12344338 18516507 24688676 37033014 74066028