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48978402 = 23113172341
BaseRepresentation
bin1011101011010…
…1100111100010
310102011100201220
42322311213202
5100014302102
64505435510
71133211114
oct272654742
9112140656
1048978402
1125713220
121449bb96
13a1bb405
14670d3b4
1544771bc
hex2eb59e2

48978402 has 32 divisors (see below), whose sum is σ = 107244864. Its totient is φ = 14788800.

The previous prime is 48978389. The next prime is 48978443. The reversal of 48978402 is 20487984.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19752 + ... + 22092.

It is an arithmetic number, because the mean of its divisors is an integer number (3351402).

Almost surely, 248978402 is an apocalyptic number.

48978402 is an abundant number, since it is smaller than the sum of its proper divisors (58266462).

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

48978402 is a wasteful number, since it uses less digits than its factorization.

48978402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2674.

The product of its (nonzero) digits is 129024, while the sum is 42.

The square root of 48978402 is about 6998.4571156791. The cubic root of 48978402 is about 365.8767986896.

The spelling of 48978402 in words is "forty-eight million, nine hundred seventy-eight thousand, four hundred two".

Divisors: 1 2 3 6 11 22 33 66 317 634 951 1902 2341 3487 4682 6974 7023 10461 14046 20922 25751 51502 77253 154506 742097 1484194 2226291 4452582 8163067 16326134 24489201 48978402