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47119921 = 1273111193
BaseRepresentation
bin1011001110111…
…1111000110001
310021122221101021
42303233320301
544030314141
64401535441
71111340602
oct263577061
9107587337
1047119921
1124663992
1213944581
1399ba514
146387da9
15420b6d1
hex2cefe31

47119921 has 8 divisors (see below), whose sum is σ = 47683584. Its totient is φ = 46559520.

The previous prime is 47119913. The next prime is 47119949. The reversal of 47119921 is 12991174.

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

It is a cyclic number.

It is not a de Polignac number, because 47119921 - 23 = 47119913 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47119901) 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, 38901 + ... + 40093.

It is an arithmetic number, because the mean of its divisors is an integer number (5960448).

Almost surely, 247119921 is an apocalyptic number.

It is an amenable number.

47119921 is a deficient number, since it is larger than the sum of its proper divisors (563663).

47119921 is a wasteful number, since it uses less digits than its factorization.

47119921 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1631.

The product of its digits is 4536, while the sum is 34.

The square root of 47119921 is about 6864.3951663639. The cubic root of 47119921 is about 361.1892792744.

The spelling of 47119921 in words is "forty-seven million, one hundred nineteen thousand, nine hundred twenty-one".

Divisors: 1 127 311 1193 39497 151511 371023 47119921