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49157000 = 235349157
BaseRepresentation
bin1011101110000…
…1001110001000
310102111102201122
42323201032020
5100041011000
64513334412
71134553604
oct273411610
9112442648
1049157000
1125825422
1214567408
13a2517a9
146758504
1544b0085
hex2ee1388

49157000 has 32 divisors (see below), whose sum is σ = 115029720. Its totient is φ = 19662400.

The previous prime is 49156997. The next prime is 49157021. The reversal of 49157000 is 75194.

It can be written as a sum of positive squares in 4 ways, for example, as 16826404 + 32330596 = 4102^2 + 5686^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23579 + ... + 25578.

Almost surely, 249157000 is an apocalyptic number.

49157000 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

49157000 is an abundant number, since it is smaller than the sum of its proper divisors (65872720).

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

49157000 is a wasteful number, since it uses less digits than its factorization.

49157000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49178 (or 49164 counting only the distinct ones).

The product of its (nonzero) digits is 1260, while the sum is 26.

The square root of 49157000 is about 7011.2053172047. The cubic root of 49157000 is about 366.3209781404.

The spelling of 49157000 in words is "forty-nine million, one hundred fifty-seven thousand".

Divisors: 1 2 4 5 8 10 20 25 40 50 100 125 200 250 500 1000 49157 98314 196628 245785 393256 491570 983140 1228925 1966280 2457850 4915700 6144625 9831400 12289250 24578500 49157000