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49681904 = 243105119
BaseRepresentation
bin1011110110000…
…1010111110000
310110111002202112
42331201113300
5100204310104
64532504452
71142201126
oct275412760
9113432675
1049681904
1126053828
121477b128
13a3a669c
146853916
15456586e
hex2f615f0

49681904 has 10 divisors (see below), whose sum is σ = 96258720. Its totient is φ = 24840944.

The previous prime is 49681897. The next prime is 49681921. The reversal of 49681904 is 40918694.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1552544 + ... + 1552575.

It is an arithmetic number, because the mean of its divisors is an integer number (9625872).

Almost surely, 249681904 is an apocalyptic number.

It is an amenable number.

49681904 is a deficient number, since it is larger than the sum of its proper divisors (46576816).

49681904 is a wasteful number, since it uses less digits than its factorization.

49681904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3105127 (or 3105121 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 41.

The square root of 49681904 is about 7048.5391394246. The cubic root of 49681904 is about 367.6202367768.

The spelling of 49681904 in words is "forty-nine million, six hundred eighty-one thousand, nine hundred four".

Divisors: 1 2 4 8 16 3105119 6210238 12420476 24840952 49681904