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51056346 = 23117310597
BaseRepresentation
bin1100001011000…
…0111011011010
310120001221010210
43002300323122
5101032300341
65022151550
71156654215
oct302607332
9116057123
1051056346
1126902430
12151225b6
13a768173
146ad077c
154737c16
hex30b0eda

51056346 has 32 divisors (see below), whose sum is σ = 112932288. Its totient is φ = 15258240.

The previous prime is 51056323. The next prime is 51056353. The reversal of 51056346 is 64365015.

51056346 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 15 ways as a sum of consecutive naturals, for example, 481 + ... + 10116.

It is an arithmetic number, because the mean of its divisors is an integer number (3529134).

Almost surely, 251056346 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 51056346, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (56466144).

51056346 is an abundant number, since it is smaller than the sum of its proper divisors (61875942).

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

51056346 is a wasteful number, since it uses less digits than its factorization.

51056346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10686.

The product of its (nonzero) digits is 10800, while the sum is 30.

The square root of 51056346 is about 7145.3723485904. The cubic root of 51056346 is about 370.9794986770.

The spelling of 51056346 in words is "fifty-one million, fifty-six thousand, three hundred forty-six".

Divisors: 1 2 3 6 11 22 33 66 73 146 219 438 803 1606 2409 4818 10597 21194 31791 63582 116567 233134 349701 699402 773581 1547162 2320743 4641486 8509391 17018782 25528173 51056346