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51968934 = 2324721307
BaseRepresentation
bin1100011000111…
…1101110100110
310121210021222100
43012033232212
5101301001214
65053512530
71200504633
oct306175646
9117707870
1051968934
1127376036
12154a2746
13a9c7664
146c8b18a
154868309
hex318fba6

51968934 has 36 divisors (see below), whose sum is σ = 115134084. Its totient is φ = 16941432.

The previous prime is 51968929. The next prime is 51968953. The reversal of 51968934 is 43986915.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 51968934.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 39109 + ... + 40415.

It is an arithmetic number, because the mean of its divisors is an integer number (3198169).

Almost surely, 251968934 is an apocalyptic number.

51968934 is an abundant number, since it is smaller than the sum of its proper divisors (63165150).

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

51968934 is a wasteful number, since it uses less digits than its factorization.

51968934 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1409 (or 1359 counting only the distinct ones).

The product of its digits is 233280, while the sum is 45.

The square root of 51968934 is about 7208.9481895766. The cubic root of 51968934 is about 373.1767712647.

The spelling of 51968934 in words is "fifty-one million, nine hundred sixty-eight thousand, nine hundred thirty-four".

Divisors: 1 2 3 6 9 18 47 94 141 282 423 846 1307 2209 2614 3921 4418 6627 7842 11763 13254 19881 23526 39762 61429 122858 184287 368574 552861 1105722 2887163 5774326 8661489 17322978 25984467 51968934