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49961814 = 2371189567
BaseRepresentation
bin1011111010010…
…1101101010110
310111000022201120
42332211231112
5100242234224
64542504410
71144445160
oct276455526
9114008646
1049961814
1126225061
1214895106
13a473c06
1468c7930
1545bd779
hex2fa5b56

49961814 has 16 divisors (see below), whose sum is σ = 114198528. Its totient is φ = 14274792.

The previous prime is 49961789. The next prime is 49961843. The reversal of 49961814 is 41816994.

It is a Harshad number since it is a multiple of its sum of digits (42), and also a Moran number because the ratio is a prime number: 1189567 = 49961814 / (4 + 9 + 9 + 6 + 1 + 8 + 1 + 4).

It is a congruent number.

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, 594742 + ... + 594825.

It is an arithmetic number, because the mean of its divisors is an integer number (7137408).

Almost surely, 249961814 is an apocalyptic number.

49961814 is an abundant number, since it is smaller than the sum of its proper divisors (64236714).

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

49961814 is a wasteful number, since it uses less digits than its factorization.

49961814 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1189579.

The product of its digits is 62208, while the sum is 42.

The square root of 49961814 is about 7068.3671381727. The cubic root of 49961814 is about 368.3093403607.

The spelling of 49961814 in words is "forty-nine million, nine hundred sixty-one thousand, eight hundred fourteen".

Divisors: 1 2 3 6 7 14 21 42 1189567 2379134 3568701 7137402 8326969 16653938 24980907 49961814