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74148944 = 2419243911
BaseRepresentation
bin1000110101101…
…10110001010000
312011112011020012
410122312301100
5122440231234
611205134052
71560153452
oct432666120
9164464205
1074148944
1138945221
12209ba328
131249211c
149bc22d2
15679a0ce
hex46b6c50

74148944 has 20 divisors (see below), whose sum is σ = 151225440. Its totient is φ = 35123040.

The previous prime is 74148929. The next prime is 74148953. The reversal of 74148944 is 44984147.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 121652 + ... + 122259.

It is an arithmetic number, because the mean of its divisors is an integer number (7561272).

Almost surely, 274148944 is an apocalyptic number.

It is an amenable number.

74148944 is an abundant number, since it is smaller than the sum of its proper divisors (77076496).

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

74148944 is a wasteful number, since it uses less digits than its factorization.

74148944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 243938 (or 243932 counting only the distinct ones).

The product of its digits is 129024, while the sum is 41.

The square root of 74148944 is about 8610.9781093671. The cubic root of 74148944 is about 420.1151309467.

The spelling of 74148944 in words is "seventy-four million, one hundred forty-eight thousand, nine hundred forty-four".

Divisors: 1 2 4 8 16 19 38 76 152 304 243911 487822 975644 1951288 3902576 4634309 9268618 18537236 37074472 74148944