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49945805 = 5713313541
BaseRepresentation
bin1011111010000…
…1110011001101
310110222111202122
42332201303031
5100241231210
64542302325
71144350410
oct276416315
9113874678
1049945805
1126214028
12148879a5
13a469840
1468c1b77
1545b8b55
hex2fa1ccd

49945805 has 32 divisors (see below), whose sum is σ = 76167168. Its totient is φ = 30585600.

The previous prime is 49945799. The next prime is 49945807. The reversal of 49945805 is 50854994.

It is not a de Polignac number, because 49945805 - 214 = 49929421 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49945807) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12335 + ... + 15875.

It is an arithmetic number, because the mean of its divisors is an integer number (2380224).

Almost surely, 249945805 is an apocalyptic number.

It is an amenable number.

49945805 is a deficient number, since it is larger than the sum of its proper divisors (26221363).

49945805 is a wasteful number, since it uses less digits than its factorization.

49945805 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3597.

The product of its (nonzero) digits is 259200, while the sum is 44.

The square root of 49945805 is about 7067.2346076807. The cubic root of 49945805 is about 368.2699976865.

The spelling of 49945805 in words is "forty-nine million, nine hundred forty-five thousand, eight hundred five".

Divisors: 1 5 7 13 31 35 65 91 155 217 403 455 1085 2015 2821 3541 14105 17705 24787 46033 109771 123935 230165 322231 548855 768397 1427023 1611155 3841985 7135115 9989161 49945805