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74042844 = 22319731321
BaseRepresentation
bin1000110100111…
…00110111011100
312011022202200120
410122130313130
5122423332334
611202554540
71556232231
oct432346734
9164282616
1074042844
1138882537
1220968a50
1312455a45
149b95788
156778949
hex469cddc

74042844 has 24 divisors (see below), whose sum is σ = 173649168. Its totient is φ = 24554880.

The previous prime is 74042833. The next prime is 74042873. The reversal of 74042844 is 44824047.

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, 13297 + ... + 18024.

It is an arithmetic number, because the mean of its divisors is an integer number (7235382).

Almost surely, 274042844 is an apocalyptic number.

It is an amenable number.

74042844 is an abundant number, since it is smaller than the sum of its proper divisors (99606324).

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

74042844 is a wasteful number, since it uses less digits than its factorization.

74042844 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31525 (or 31523 counting only the distinct ones).

The product of its (nonzero) digits is 28672, while the sum is 33.

The square root of 74042844 is about 8604.8151636162. The cubic root of 74042844 is about 419.9146538602.

The spelling of 74042844 in words is "seventy-four million, forty-two thousand, eight hundred forty-four".

Divisors: 1 2 3 4 6 12 197 394 591 788 1182 2364 31321 62642 93963 125284 187926 375852 6170237 12340474 18510711 24680948 37021422 74042844