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51896950 = 2527295113
BaseRepresentation
bin1100010111111…
…0001001110110
310121122122020021
43011332021312
5101241200300
65052155354
71200055030
oct305761166
9117578207
1051896950
1127326a46
1215468b5a
13a9a0971
146c6cc50
154851d1a
hex317e276

51896950 has 48 divisors (see below), whose sum is σ = 114144480. Its totient is φ = 17176320.

The previous prime is 51896893. The next prime is 51896959. The reversal of 51896950 is 5969815.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 51896897 and 51896906.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51896959) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7594 + ... + 12706.

It is an arithmetic number, because the mean of its divisors is an integer number (2378010).

Almost surely, 251896950 is an apocalyptic number.

51896950 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

51896950 is an abundant number, since it is smaller than the sum of its proper divisors (62247530).

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

51896950 is a wasteful number, since it uses less digits than its factorization.

51896950 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5161 (or 5156 counting only the distinct ones).

The product of its (nonzero) digits is 97200, while the sum is 43.

The square root of 51896950 is about 7203.9537755319. The cubic root of 51896950 is about 373.0043915561.

The spelling of 51896950 in words is "fifty-one million, eight hundred ninety-six thousand, nine hundred fifty".

Divisors: 1 2 5 7 10 14 25 29 35 50 58 70 145 175 203 290 350 406 725 1015 1450 2030 5075 5113 10150 10226 25565 35791 51130 71582 127825 148277 178955 255650 296554 357910 741385 894775 1037939 1482770 1789550 2075878 3706925 5189695 7413850 10379390 25948475 51896950