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50142656 = 261722711
BaseRepresentation
bin1011111101000…
…1110111000000
310111100111210102
42333101313000
5100314031111
64550421532
71146130334
oct277216700
9114314712
1050142656
1126338a13
12149618a8
13a508315
1469337c4
15460713b
hex2fd1dc0

50142656 has 42 divisors (see below), whose sum is σ = 105738168. Its totient is φ = 23587840.

The previous prime is 50142649. The next prime is 50142667. The reversal of 50142656 is 65624105.

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, 17141 + ... + 19851.

Almost surely, 250142656 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 50142656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (52869084).

50142656 is an abundant number, since it is smaller than the sum of its proper divisors (55595512).

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

50142656 is a wasteful number, since it uses less digits than its factorization.

50142656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2757 (or 2730 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 29.

The square root of 50142656 is about 7081.1479295380. The cubic root of 50142656 is about 368.7531833106.

The spelling of 50142656 in words is "fifty million, one hundred forty-two thousand, six hundred fifty-six".

Divisors: 1 2 4 8 16 17 32 34 64 68 136 272 289 544 578 1088 1156 2312 2711 4624 5422 9248 10844 18496 21688 43376 46087 86752 92174 173504 184348 368696 737392 783479 1474784 1566958 2949568 3133916 6267832 12535664 25071328 50142656