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47493793 = 29256473
BaseRepresentation
bin1011010100101…
…1001010100001
310022100221020101
42311023022201
544124300133
64413542401
71114455604
oct265131241
9108327211
1047493793
1124899876
1213aa4a01
139abb749
14644433b
15428237d
hex2d4b2a1

47493793 has 6 divisors (see below), whose sum is σ = 49188854. Its totient is φ = 45855264.

The previous prime is 47493739. The next prime is 47493811. The reversal of 47493793 is 39739474.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 11888704 + 35605089 = 3448^2 + 5967^2 .

It is not a de Polignac number, because 47493793 - 213 = 47485601 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47493493) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 27396 + ... + 29077.

Almost surely, 247493793 is an apocalyptic number.

It is an amenable number.

47493793 is a deficient number, since it is larger than the sum of its proper divisors (1695061).

47493793 is an equidigital number, since it uses as much as digits as its factorization.

47493793 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56531 (or 56502 counting only the distinct ones).

The product of its digits is 571536, while the sum is 46.

The square root of 47493793 is about 6891.5740582250. The cubic root of 47493793 is about 362.1420466526.

The spelling of 47493793 in words is "forty-seven million, four hundred ninety-three thousand, seven hundred ninety-three".

Divisors: 1 29 841 56473 1637717 47493793