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47945794 = 2139671907
BaseRepresentation
bin1011011011100…
…1100001000010
310100012220021011
42312321201002
544233231134
64431351134
71121350441
oct266714102
9110186234
1047945794
1125078426
12140824aa
139c193c0
146520d58
154321264
hex2db9842

47945794 has 16 divisors (see below), whose sum is σ = 77571648. Its totient is φ = 22094352.

The previous prime is 47945791. The next prime is 47945827. The reversal of 47945794 is 49754974.

It is not an unprimeable number, because it can be changed into a prime (47945791) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24189 + ... + 26095.

It is an arithmetic number, because the mean of its divisors is an integer number (4848228).

Almost surely, 247945794 is an apocalyptic number.

47945794 is a deficient number, since it is larger than the sum of its proper divisors (29625854).

47945794 is a wasteful number, since it uses less digits than its factorization.

47945794 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2889.

The product of its digits is 1270080, while the sum is 49.

The square root of 47945794 is about 6924.2901441231. The cubic root of 47945794 is about 363.2872630941.

The spelling of 47945794 in words is "forty-seven million, nine hundred forty-five thousand, seven hundred ninety-four".

Divisors: 1 2 13 26 967 1907 1934 3814 12571 24791 25142 49582 1844069 3688138 23972897 47945794