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51960494 = 225980247
BaseRepresentation
bin1100011000110…
…1101010101110
310121202212101202
43012031222232
5101300213434
65053405502
71200441215
oct306155256
9117685352
1051960494
112736a763
1215499892
13a9c3871
146c8807c
154865a7e
hex318daae

51960494 has 4 divisors (see below), whose sum is σ = 77940744. Its totient is φ = 25980246.

The previous prime is 51960487. The next prime is 51960509. The reversal of 51960494 is 49406915.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12990122 + ... + 12990125.

It is an arithmetic number, because the mean of its divisors is an integer number (19485186).

Almost surely, 251960494 is an apocalyptic number.

51960494 is a deficient number, since it is larger than the sum of its proper divisors (25980250).

51960494 is a wasteful number, since it uses less digits than its factorization.

51960494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25980249.

The product of its (nonzero) digits is 38880, while the sum is 38.

The square root of 51960494 is about 7208.3627822134. The cubic root of 51960494 is about 373.1565682817.

The spelling of 51960494 in words is "fifty-one million, nine hundred sixty thousand, four hundred ninety-four".

Divisors: 1 2 25980247 51960494