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47942942 = 250347657
BaseRepresentation
bin1011011011100…
…0110100011110
310100012202100112
42312320310132
544233133232
64431330022
71121336225
oct266706436
9110182315
1047942942
1125076273
1214080912
139c18008
14651dcbc
1543204b2
hex2db8d1e

47942942 has 8 divisors (see below), whose sum is σ = 72058896. Its totient is φ = 23923312.

The previous prime is 47942927. The next prime is 47943001. The reversal of 47942942 is 24924974.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 47942942.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22823 + ... + 24834.

It is an arithmetic number, because the mean of its divisors is an integer number (9007362).

Almost surely, 247942942 is an apocalyptic number.

47942942 is a deficient number, since it is larger than the sum of its proper divisors (24115954).

47942942 is a wasteful number, since it uses less digits than its factorization.

47942942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48162.

The product of its digits is 145152, while the sum is 41.

The square root of 47942942 is about 6924.0841993725. The cubic root of 47942942 is about 363.2800597106.

It can be divided in two parts, 47942 and 942, that added together give a palindrome (48884).

The spelling of 47942942 in words is "forty-seven million, nine hundred forty-two thousand, nine hundred forty-two".

Divisors: 1 2 503 1006 47657 95314 23971471 47942942