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74090044 = 22719139267
BaseRepresentation
bin1000110101010…
…00011000111100
312011102011102201
410122220120330
5122431340134
611204001244
71556516650
oct432503074
9164364381
1074090044
1138904a46
1220990224
1312471382
149ba8a60
156787914
hex46a863c

74090044 has 24 divisors (see below), whose sum is σ = 155980160. Its totient is φ = 30081456.

The previous prime is 74089979. The next prime is 74090077. The reversal of 74090044 is 44009047.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a junction number, because it is equal to n+sod(n) for n = 74089994 and 74090021.

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, 69102 + ... + 70165.

Almost surely, 274090044 is an apocalyptic number.

It is an amenable number.

74090044 is an abundant number, since it is smaller than the sum of its proper divisors (81890116).

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

74090044 is a wasteful number, since it uses less digits than its factorization.

74090044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139297 (or 139295 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 74090044 is about 8607.5573770960. The cubic root of 74090044 is about 420.0038623983.

The spelling of 74090044 in words is "seventy-four million, ninety thousand, forty-four".

Divisors: 1 2 4 7 14 19 28 38 76 133 266 532 139267 278534 557068 974869 1949738 2646073 3899476 5292146 10584292 18522511 37045022 74090044