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50315356 = 227413231
BaseRepresentation
bin1011111111110…
…0000001011100
310111200021200201
42333330001130
5100340042411
64554233244
71150450000
oct277740134
9114607621
1050315356
1126446743
1214a25824
13a568b00
14697a700
15463d3c1
hex2ffc05c

50315356 has 90 divisors (see below), whose sum is σ = 114818592. Its totient is φ = 19262880.

The previous prime is 50315341. The next prime is 50315399. The reversal of 50315356 is 65351305.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 1623061 + ... + 1623091.

Almost surely, 250315356 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 50315356, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (57409296).

50315356 is an abundant number, since it is smaller than the sum of its proper divisors (64503236).

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

50315356 is a wasteful number, since it uses less digits than its factorization.

50315356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89 (or 53 counting only the distinct ones).

The product of its (nonzero) digits is 6750, while the sum is 28.

The square root of 50315356 is about 7093.3317982454. The cubic root of 50315356 is about 369.1760481717.

The spelling of 50315356 in words is "fifty million, three hundred fifteen thousand, three hundred fifty-six".

Divisors: 1 2 4 7 13 14 26 28 31 49 52 62 91 98 124 169 182 196 217 338 343 364 403 434 637 676 686 806 868 1183 1274 1372 1519 1612 2366 2401 2548 2821 3038 4459 4732 4802 5239 5642 6076 8281 8918 9604 10478 10633 11284 16562 17836 19747 20956 21266 31213 33124 36673 39494 42532 57967 62426 73346 74431 78988 115934 124852 138229 146692 148862 231868 256711 276458 297724 405769 513422 552916 811538 967603 1026844 1623076 1796977 1935206 3593954 3870412 7187908 12578839 25157678 50315356