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71774012 = 2246138923
BaseRepresentation
bin1000100011100…
…10111100111100
312000001111102202
410101302330330
5121333232022
611042211032
71531032452
oct421627474
9160044382
1071774012
1137572972
1220053a78
1311b4013b
1497649d2
15647b592
hex4472f3c

71774012 has 12 divisors (see below), whose sum is σ = 125880216. Its totient is φ = 35808240.

The previous prime is 71773987. The next prime is 71774023. The reversal of 71774012 is 21047717.

It is a super-3 number, since 3×717740123 (a number of 25 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

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, 17618 + ... + 21305.

It is an arithmetic number, because the mean of its divisors is an integer number (10490018).

Almost surely, 271774012 is an apocalyptic number.

It is an amenable number.

71774012 is a deficient number, since it is larger than the sum of its proper divisors (54106204).

71774012 is a wasteful number, since it uses less digits than its factorization.

71774012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39388 (or 39386 counting only the distinct ones).

The product of its (nonzero) digits is 2744, while the sum is 29.

The square root of 71774012 is about 8471.9544380267. The cubic root of 71774012 is about 415.5810547465.

The spelling of 71774012 in words is "seventy-one million, seven hundred seventy-four thousand, twelve".

Divisors: 1 2 4 461 922 1844 38923 77846 155692 17943503 35887006 71774012