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47893007 = 29671572
BaseRepresentation
bin1011011010110…
…0101000001111
310100010012212002
42312230220033
544230034012
64430302515
71121040521
oct266545017
9110105762
1047893007
11250417a8
1214057a3b
139bcb376
146509a11
1543107c2
hex2daca0f

47893007 has 12 divisors (see below), whose sum is σ = 50606280. Its totient is φ = 45261216.

The previous prime is 47893003. The next prime is 47893009. The reversal of 47893007 is 70039874.

It is not a de Polignac number, because 47893007 - 22 = 47893003 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47893003) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 304973 + ... + 305129.

It is an arithmetic number, because the mean of its divisors is an integer number (4217190).

Almost surely, 247893007 is an apocalyptic number.

47893007 is a deficient number, since it is larger than the sum of its proper divisors (2713273).

47893007 is an equidigital number, since it uses as much as digits as its factorization.

47893007 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 410 (or 253 counting only the distinct ones).

The product of its (nonzero) digits is 42336, while the sum is 38.

The square root of 47893007 is about 6920.4773679277. The cubic root of 47893007 is about 363.1538910421.

The spelling of 47893007 in words is "forty-seven million, eight hundred ninety-three thousand, seven".

Divisors: 1 29 67 157 1943 4553 10519 24649 305051 714821 1651483 47893007