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5155947 = 331747239
BaseRepresentation
bin10011101010110001101011
3100200221122000
4103222301223
52304442242
6302302043
761552626
oct23526153
910627560
105155947
112a01815
121887923
1310b6a74
14982dbd
156bca4c
hex4eac6b

5155947 has 32 divisors (see below), whose sum is σ = 8294400. Its totient is φ = 3153024.

The previous prime is 5155907. The next prime is 5155957. The reversal of 5155947 is 7495515.

It is not a de Polignac number, because 5155947 - 210 = 5154923 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (5155907) 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 31 ways as a sum of consecutive naturals, for example, 21454 + ... + 21692.

It is an arithmetic number, because the mean of its divisors is an integer number (259200).

Almost surely, 25155947 is an apocalyptic number.

5155947 is a deficient number, since it is larger than the sum of its proper divisors (3138453).

5155947 is a wasteful number, since it uses less digits than its factorization.

5155947 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 312 (or 306 counting only the distinct ones).

The product of its digits is 31500, while the sum is 36.

The square root of 5155947 is about 2270.6710461888. The cubic root of 5155947 is about 172.7571966707.

The spelling of 5155947 in words is "five million, one hundred fifty-five thousand, nine hundred forty-seven".

Divisors: 1 3 9 17 27 47 51 141 153 239 423 459 717 799 1269 2151 2397 4063 6453 7191 11233 12189 21573 33699 36567 101097 109701 190961 303291 572883 1718649 5155947