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47085942 = 2353263563
BaseRepresentation
bin1011001110011…
…1100101110110
310021121012202210
42303213211312
544023222232
64401114250
71111136541
oct263474566
9107535683
1047085942
1124640402
1213928986
1399a7c07
146379858
1542015cc
hex2ce7976

47085942 has 32 divisors (see below), whose sum is σ = 96484608. Its totient is φ = 15313376.

The previous prime is 47085923. The next prime is 47085943. The reversal of 47085942 is 24958074.

It is a self number, because there is not a number n which added to its sum of digits gives 47085942.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47085943) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 83353 + ... + 83915.

It is an arithmetic number, because the mean of its divisors is an integer number (3015144).

Almost surely, 247085942 is an apocalyptic number.

47085942 is an abundant number, since it is smaller than the sum of its proper divisors (49398666).

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

47085942 is a wasteful number, since it uses less digits than its factorization.

47085942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 884.

The product of its (nonzero) digits is 80640, while the sum is 39.

The square root of 47085942 is about 6861.9197022408. The cubic root of 47085942 is about 361.1024384259.

The spelling of 47085942 in words is "forty-seven million, eighty-five thousand, nine hundred forty-two".

Divisors: 1 2 3 6 53 106 159 263 318 526 563 789 1126 1578 1689 3378 13939 27878 29839 41817 59678 83634 89517 148069 179034 296138 444207 888414 7847657 15695314 23542971 47085942