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47522042 = 223761021
BaseRepresentation
bin1011010101001…
…0000011111010
310022102100222122
42311102003322
544131201132
64414321242
71114634141
oct265220372
9108370878
1047522042
1124909017
1213ab9222
139acb569
146450758
15428a912
hex2d520fa

47522042 has 4 divisors (see below), whose sum is σ = 71283066. Its totient is φ = 23761020.

The previous prime is 47522011. The next prime is 47522047. The reversal of 47522042 is 24022574.

47522042 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 45981961 + 1540081 = 6781^2 + 1241^2 .

It is not an unprimeable number, because it can be changed into a prime (47522047) 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 as a sum of consecutive naturals, namely, 11880509 + ... + 11880512.

Almost surely, 247522042 is an apocalyptic number.

47522042 is a deficient number, since it is larger than the sum of its proper divisors (23761024).

47522042 is a wasteful number, since it uses less digits than its factorization.

47522042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23761023.

The product of its (nonzero) digits is 4480, while the sum is 26.

The square root of 47522042 is about 6893.6232853268. The cubic root of 47522042 is about 362.2138323354.

The spelling of 47522042 in words is "forty-seven million, five hundred twenty-two thousand, forty-two".

Divisors: 1 2 23761021 47522042