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50706864 = 2433139029
BaseRepresentation
bin1100000101101…
…1100110110000
310112102011202000
43001123212300
5100440104424
65010454000
71154000265
oct301334660
9115364660
1050706864
11266938aa
1214b94300
13a675080
146a3d26c
1546b93c9
hex305b9b0

50706864 has 80 divisors (see below), whose sum is σ = 156760800. Its totient is φ = 15600384.

The previous prime is 50706863. The next prime is 50706907. The reversal of 50706864 is 46860705.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (50706863) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1102 + ... + 10130.

It is an arithmetic number, because the mean of its divisors is an integer number (1959510).

Almost surely, 250706864 is an apocalyptic number.

50706864 is a gapful number since it is divisible by the number (54) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 50706864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (78380400).

50706864 is an abundant number, since it is smaller than the sum of its proper divisors (106053936).

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

50706864 is a wasteful number, since it uses less digits than its factorization.

50706864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9059 (or 9047 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 36.

The square root of 50706864 is about 7120.8752271052. The cubic root of 50706864 is about 370.1311052311.

The spelling of 50706864 in words is "fifty million, seven hundred six thousand, eight hundred sixty-four".

Divisors: 1 2 3 4 6 8 9 12 13 16 18 24 26 27 36 39 48 52 54 72 78 104 108 117 144 156 208 216 234 312 351 432 468 624 702 936 1404 1872 2808 5616 9029 18058 27087 36116 54174 72232 81261 108348 117377 144464 162522 216696 234754 243783 325044 352131 433392 469508 487566 650088 704262 939016 975132 1056393 1300176 1408524 1878032 1950264 2112786 2817048 3169179 3900528 4225572 5634096 6338358 8451144 12676716 16902288 25353432 50706864