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51023230 = 255102323
BaseRepresentation
bin1100001010100…
…0110101111110
310120000020201021
43002220311332
5101030220410
65021334354
71156455526
oct302506576
9116006637
1051023230
112688a565
12151073ba
13a75607b
146ac2686
15472ceda
hex30a8d7e

51023230 has 8 divisors (see below), whose sum is σ = 91841832. Its totient is φ = 20409288.

The previous prime is 51023221. The next prime is 51023233. The reversal of 51023230 is 3232015.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51023233) 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, 2551152 + ... + 2551171.

It is an arithmetic number, because the mean of its divisors is an integer number (11480229).

Almost surely, 251023230 is an apocalyptic number.

51023230 is a deficient number, since it is larger than the sum of its proper divisors (40818602).

51023230 is a wasteful number, since it uses less digits than its factorization.

51023230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5102330.

The product of its (nonzero) digits is 180, while the sum is 16.

The square root of 51023230 is about 7143.0546686974. The cubic root of 51023230 is about 370.8992734934.

Adding to 51023230 its reverse (3232015), we get a palindrome (54255245).

The spelling of 51023230 in words is "fifty-one million, twenty-three thousand, two hundred thirty".

Divisors: 1 2 5 10 5102323 10204646 25511615 51023230