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47142876 = 223111918797
BaseRepresentation
bin1011001111010…
…1011111011100
310021201002212110
42303311133130
544032033001
64402234020
71111464534
oct263653734
9107632773
1047142876
112467a160
1213955910
1399c7ac1
1463924c4
1542133d6
hex2cf57dc

47142876 has 48 divisors (see below), whose sum is σ = 126322560. Its totient is φ = 13533120.

The previous prime is 47142863. The next prime is 47142877. The reversal of 47142876 is 67824174.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47142877) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6891 + ... + 11906.

It is an arithmetic number, because the mean of its divisors is an integer number (2631720).

Almost surely, 247142876 is an apocalyptic number.

It is an amenable number.

47142876 is an abundant number, since it is smaller than the sum of its proper divisors (79179684).

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

47142876 is a wasteful number, since it uses less digits than its factorization.

47142876 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18834 (or 18832 counting only the distinct ones).

The product of its digits is 75264, while the sum is 39.

The square root of 47142876 is about 6866.0669964689. The cubic root of 47142876 is about 361.2479222272.

The spelling of 47142876 in words is "forty-seven million, one hundred forty-two thousand, eight hundred seventy-six".

Divisors: 1 2 3 4 6 11 12 19 22 33 38 44 57 66 76 114 132 209 228 418 627 836 1254 2508 18797 37594 56391 75188 112782 206767 225564 357143 413534 620301 714286 827068 1071429 1240602 1428572 2142858 2481204 3928573 4285716 7857146 11785719 15714292 23571438 47142876