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51120546 = 238520091
BaseRepresentation
bin1100001100000…
…0100110100010
310120012012012120
43003000212202
5101041324141
65023405110
71160342331
oct303004642
9116165176
1051120546
1126946694
1215153796
13a78b459
146b09d18
15474bc66
hex30c09a2

51120546 has 8 divisors (see below), whose sum is σ = 102241104. Its totient is φ = 17040180.

The previous prime is 51120539. The next prime is 51120551. The reversal of 51120546 is 64502115.

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

51120546 is an admirable number.

It is a super-2 number, since 2×511205462 = 5226620446676232, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4260040 + ... + 4260051.

It is an arithmetic number, because the mean of its divisors is an integer number (12780138).

Almost surely, 251120546 is an apocalyptic number.

51120546 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

51120546 is a wasteful number, since it uses less digits than its factorization.

51120546 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8520096.

The product of its (nonzero) digits is 1200, while the sum is 24.

The square root of 51120546 is about 7149.8633553376. The cubic root of 51120546 is about 371.1349276617.

The spelling of 51120546 in words is "fifty-one million, one hundred twenty thousand, five hundred forty-six".

Divisors: 1 2 3 6 8520091 17040182 25560273 51120546