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49275490 = 25113712107
BaseRepresentation
bin1011101111111…
…0001001100010
310102201110021011
42323332021202
5100103303430
64520051134
71135556215
oct273761142
9112643234
1049275490
11258a6450
1214603aaa
13a2936c4
14678977c
1544d522a
hex2efe262

49275490 has 32 divisors (see below), whose sum is σ = 99382464. Its totient is φ = 17432640.

The previous prime is 49275487. The next prime is 49275497. The reversal of 49275490 is 9457294.

It is not an unprimeable number, because it can be changed into a prime (49275497) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1984 + ... + 10123.

It is an arithmetic number, because the mean of its divisors is an integer number (3105702).

Almost surely, 249275490 is an apocalyptic number.

49275490 is an abundant number, since it is smaller than the sum of its proper divisors (50106974).

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

49275490 is a wasteful number, since it uses less digits than its factorization.

49275490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12162.

The product of its (nonzero) digits is 90720, while the sum is 40.

The square root of 49275490 is about 7019.6502761890. The cubic root of 49275490 is about 366.6150735488.

The spelling of 49275490 in words is "forty-nine million, two hundred seventy-five thousand, four hundred ninety".

Divisors: 1 2 5 10 11 22 37 55 74 110 185 370 407 814 2035 4070 12107 24214 60535 121070 133177 266354 447959 665885 895918 1331770 2239795 4479590 4927549 9855098 24637745 49275490