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49072868 = 22132229317
BaseRepresentation
bin1011101100110…
…0101011100100
310102100011022122
42323030223210
5100030312433
64511445112
71134053405
oct273145344
9112304278
1049072868
1125778199
1214526798
13a222400
1467359ac
154495198
hex2eccae4

49072868 has 36 divisors (see below), whose sum is σ = 93692340. Its totient is φ = 22478976.

The previous prime is 49072819. The next prime is 49072871. The reversal of 49072868 is 86827094.

It can be written as a sum of positive squares in 6 ways, for example, as 7573504 + 41499364 = 2752^2 + 6442^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 154646 + ... + 154962.

It is an arithmetic number, because the mean of its divisors is an integer number (2602565).

Almost surely, 249072868 is an apocalyptic number.

It is an amenable number.

49072868 is a deficient number, since it is larger than the sum of its proper divisors (44619472).

49072868 is a wasteful number, since it uses less digits than its factorization.

49072868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 576 (or 561 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 44.

The square root of 49072868 is about 7005.2029235419. The cubic root of 49072868 is about 366.1118731933. Note that the first 3 decimals are identical.

The spelling of 49072868 in words is "forty-nine million, seventy-two thousand, eight hundred sixty-eight".

Divisors: 1 2 4 13 26 52 169 229 317 338 458 634 676 916 1268 2977 4121 5954 8242 11908 16484 38701 53573 72593 77402 107146 145186 154804 214292 290372 943709 1887418 3774836 12268217 24536434 49072868