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51107372 = 2217751579
BaseRepresentation
bin1100001011110…
…1011000101100
310120011112010122
43002331120230
5101040413442
65023224112
71160256041
oct302753054
9116145118
1051107372
11269377a8
1215148038
13a785464
146b051c8
154747dd2
hex30bd62c

51107372 has 12 divisors (see below), whose sum is σ = 94699080. Its totient is φ = 24050496.

The previous prime is 51107369. The next prime is 51107383. The reversal of 51107372 is 27370115.

51107372 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×511073722 = 5223926945492768, which contains 22 as substring.

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, 375722 + ... + 375857.

It is an arithmetic number, because the mean of its divisors is an integer number (7891590).

Almost surely, 251107372 is an apocalyptic number.

It is an amenable number.

51107372 is a deficient number, since it is larger than the sum of its proper divisors (43591708).

51107372 is a wasteful number, since it uses less digits than its factorization.

51107372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 751600 (or 751598 counting only the distinct ones).

The product of its (nonzero) digits is 1470, while the sum is 26.

The square root of 51107372 is about 7148.9420196278. The cubic root of 51107372 is about 371.1030438630.

Adding to 51107372 its reverse (27370115), we get a palindrome (78477487).

The spelling of 51107372 in words is "fifty-one million, one hundred seven thousand, three hundred seventy-two".

Divisors: 1 2 4 17 34 68 751579 1503158 3006316 12776843 25553686 51107372