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49153690 = 254915369
BaseRepresentation
bin1011101110000…
…0011010011010
310102111021012001
42323200122122
5100040404230
64513311214
71134541135
oct273403232
9112437161
1049153690
1125822993
121456550a
13a250131
14675721c
1544ae0ca
hex2ee069a

49153690 has 8 divisors (see below), whose sum is σ = 88476660. Its totient is φ = 19661472.

The previous prime is 49153661. The next prime is 49153697. The reversal of 49153690 is 9635194.

49153690 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 47568609 + 1585081 = 6897^2 + 1259^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×491536902 = 4832170481232200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (49153697) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2457675 + ... + 2457694.

Almost surely, 249153690 is an apocalyptic number.

49153690 is a deficient number, since it is larger than the sum of its proper divisors (39322970).

49153690 is a wasteful number, since it uses less digits than its factorization.

49153690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4915376.

The product of its (nonzero) digits is 29160, while the sum is 37.

The square root of 49153690 is about 7010.9692625200. The cubic root of 49153690 is about 366.3127558482.

The spelling of 49153690 in words is "forty-nine million, one hundred fifty-three thousand, six hundred ninety".

Divisors: 1 2 5 10 4915369 9830738 24576845 49153690