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49218872 = 23149157263
BaseRepresentation
bin1011101111000…
…0010100111000
310102121120121012
42323300110320
5100100000442
64514533052
71135232153
oct273602470
9112546535
1049218872
112586795a
1214597188
13a2739c1
146772c9a
1544c3582
hex2ef0538

49218872 has 32 divisors (see below), whose sum is σ = 93852000. Its totient is φ = 24196224.

The previous prime is 49218853. The next prime is 49218877. The reversal of 49218872 is 27881294.

49218872 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49218877) 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 7 ways as a sum of consecutive naturals, for example, 187013 + ... + 187275.

It is an arithmetic number, because the mean of its divisors is an integer number (2932875).

Almost surely, 249218872 is an apocalyptic number.

It is an amenable number.

49218872 is a deficient number, since it is larger than the sum of its proper divisors (44633128).

49218872 is a wasteful number, since it uses less digits than its factorization.

49218872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 575 (or 571 counting only the distinct ones).

The product of its digits is 64512, while the sum is 41.

The square root of 49218872 is about 7015.6162950948. The cubic root of 49218872 is about 366.4746050163.

The spelling of 49218872 in words is "forty-nine million, two hundred eighteen thousand, eight hundred seventy-two".

Divisors: 1 2 4 8 149 157 263 298 314 526 596 628 1052 1192 1256 2104 23393 39187 41291 46786 78374 82582 93572 156748 165164 187144 313496 330328 6152359 12304718 24609436 49218872