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49968840 = 2335416407
BaseRepresentation
bin1011111010011…
…1011011001000
310111000200100210
42332213123020
5100243000330
64543001120
71144504515
oct276473310
9114020323
1049968840
112622a369
12148991a0
13a47717c
1468ca30c
1545c08b0
hex2fa76c8

49968840 has 32 divisors (see below), whose sum is σ = 149906880. Its totient is φ = 13324992.

The previous prime is 49968823. The next prime is 49968859. The reversal of 49968840 is 4886994.

It is a self number, because there is not a number n which added to its sum of digits gives 49968840.

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, 208084 + ... + 208323.

It is an arithmetic number, because the mean of its divisors is an integer number (4684590).

Almost surely, 249968840 is an apocalyptic number.

49968840 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

49968840 is an abundant number, since it is smaller than the sum of its proper divisors (99938040).

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

49968840 is a wasteful number, since it uses less digits than its factorization.

49968840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 416421 (or 416417 counting only the distinct ones).

The product of its (nonzero) digits is 497664, while the sum is 48.

The square root of 49968840 is about 7068.8641237472. The cubic root of 49968840 is about 368.3266043464.

The spelling of 49968840 in words is "forty-nine million, nine hundred sixty-eight thousand, eight hundred forty".

Divisors: 1 2 3 4 5 6 8 10 12 15 20 24 30 40 60 120 416407 832814 1249221 1665628 2082035 2498442 3331256 4164070 4996884 6246105 8328140 9993768 12492210 16656280 24984420 49968840