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51056002 = 2191343579
BaseRepresentation
bin1100001011000…
…0110110000010
310120001220200001
43002300312002
5101032243002
65022150214
71156653214
oct302606602
9116056601
1051056002
1126902148
121512236a
13a767c6a
146ad05b4
154737a87
hex30b0d82

51056002 has 8 divisors (see below), whose sum is σ = 80614800. Its totient is φ = 24184404.

The previous prime is 51055987. The next prime is 51056003. The reversal of 51056002 is 20065015.

It is a happy number.

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

It is a Harshad number since it is a multiple of its sum of digits (19).

It is not an unprimeable number, because it can be changed into a prime (51056003) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 671752 + ... + 671827.

It is an arithmetic number, because the mean of its divisors is an integer number (10076850).

Almost surely, 251056002 is an apocalyptic number.

51056002 is a deficient number, since it is larger than the sum of its proper divisors (29558798).

51056002 is a wasteful number, since it uses less digits than its factorization.

51056002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1343600.

The product of its (nonzero) digits is 300, while the sum is 19.

The square root of 51056002 is about 7145.3482770261. The cubic root of 51056002 is about 370.9786654980.

The spelling of 51056002 in words is "fifty-one million, fifty-six thousand, two".

Divisors: 1 2 19 38 1343579 2687158 25528001 51056002