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51152378 = 246754767
BaseRepresentation
bin1100001100100…
…0010111111010
310120020210212112
43003020113322
5101043334003
65024212322
71160534204
oct303102772
9116223775
1051152378
11269685a2
121516a0a2
13a79caa4
146b17774
1547563d8
hex30c85fa

51152378 has 8 divisors (see below), whose sum is σ = 76894272. Its totient is φ = 25520956.

The previous prime is 51152369. The next prime is 51152399. The reversal of 51152378 is 87325115.

51152378 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26450 + ... + 28317.

It is an arithmetic number, because the mean of its divisors is an integer number (9611784).

Almost surely, 251152378 is an apocalyptic number.

51152378 is a deficient number, since it is larger than the sum of its proper divisors (25741894).

51152378 is a wasteful number, since it uses less digits than its factorization.

51152378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55236.

The product of its digits is 8400, while the sum is 32.

The square root of 51152378 is about 7152.0890654409. The cubic root of 51152378 is about 371.2119450690.

The spelling of 51152378 in words is "fifty-one million, one hundred fifty-two thousand, three hundred seventy-eight".

Divisors: 1 2 467 934 54767 109534 25576189 51152378