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47692490 = 2519932393
BaseRepresentation
bin1011010111101…
…1101011001010
310022202000210112
42311323223022
544202124430
64422114322
71116244106
oct265735312
9108660715
1047692490
1124a1508a
1213b7b9a2
139b5b011
146496906
1542c1195
hex2d7baca

47692490 has 16 divisors (see below), whose sum is σ = 85925448. Its totient is φ = 19059456.

The previous prime is 47692487. The next prime is 47692493. The reversal of 47692490 is 9429674.

It is an interprime number because it is at equal distance from previous prime (47692487) and next prime (47692493).

It can be written as a sum of positive squares in 4 ways, for example, as 29604481 + 18088009 = 5441^2 + 4253^2 .

It is not an unprimeable number, because it can be changed into a prime (47692493) 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, 18734 + ... + 21126.

Almost surely, 247692490 is an apocalyptic number.

47692490 is a deficient number, since it is larger than the sum of its proper divisors (38232958).

47692490 is a wasteful number, since it uses less digits than its factorization.

47692490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4393.

The product of its (nonzero) digits is 108864, while the sum is 41.

The square root of 47692490 is about 6905.9749492740. The cubic root of 47692490 is about 362.6463681615.

The spelling of 47692490 in words is "forty-seven million, six hundred ninety-two thousand, four hundred ninety".

Divisors: 1 2 5 10 1993 2393 3986 4786 9965 11965 19930 23930 4769249 9538498 23846245 47692490