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47842444 = 22131914817
BaseRepresentation
bin1011011010000…
…0010010001100
310100000122111101
42312200102030
544221424234
64425232444
71120440226
oct266402214
9110018441
1047842444
1125007811
1214032724
139bb1350
1464d5416
154300814
hex2da048c

47842444 has 24 divisors (see below), whose sum is σ = 90655488. Its totient is φ = 21960960.

The previous prime is 47842429. The next prime is 47842447. The reversal of 47842444 is 44424874.

It is a hoax number, since the sum of its digits (37) 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 (47842447) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7524 + ... + 12340.

It is an arithmetic number, because the mean of its divisors is an integer number (3777312).

Almost surely, 247842444 is an apocalyptic number.

It is an amenable number.

47842444 is a deficient number, since it is larger than the sum of its proper divisors (42813044).

47842444 is a wasteful number, since it uses less digits than its factorization.

47842444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5025 (or 5023 counting only the distinct ones).

The product of its digits is 114688, while the sum is 37.

The square root of 47842444 is about 6916.8232592716. The cubic root of 47842444 is about 363.0260462405.

The spelling of 47842444 in words is "forty-seven million, eight hundred forty-two thousand, four hundred forty-four".

Divisors: 1 2 4 13 26 52 191 382 764 2483 4817 4966 9634 9932 19268 62621 125242 250484 920047 1840094 3680188 11960611 23921222 47842444