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74008948 = 221311932
BaseRepresentation
bin1000110100101…
…00100101110100
312011021001012011
410122110211310
5122421241243
611202134004
71556031346
oct432244564
9164231164
1074008948
113885a022
1220951304
13124434a0
149b87296
15676d89d
hex4694974

74008948 has 18 divisors (see below), whose sum is σ = 139595414. Its totient is φ = 34129344.

The previous prime is 74008919. The next prime is 74008967. The reversal of 74008948 is 84980047.

It can be written as a sum of positive squares in 3 ways, for example, as 3247204 + 70761744 = 1802^2 + 8412^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 74008948.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 61440 + ... + 62632.

Almost surely, 274008948 is an apocalyptic number.

It is an amenable number.

74008948 is a deficient number, since it is larger than the sum of its proper divisors (65586466).

74008948 is a wasteful number, since it uses less digits than its factorization.

74008948 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2403 (or 1208 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 40.

The square root of 74008948 is about 8602.8453432571. The cubic root of 74008948 is about 419.8505666423.

The spelling of 74008948 in words is "seventy-four million, eight thousand, nine hundred forty-eight".

Divisors: 1 2 4 13 26 52 1193 2386 4772 15509 31018 62036 1423249 2846498 5692996 18502237 37004474 74008948