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50305528 = 23713431607
BaseRepresentation
bin1011111111100…
…1100111111000
310111122210012201
42333321213320
5100334234103
64554115544
71150406230
oct277714770
9114583181
1050305528
112643a319
1214a1bbb4
13a5644b0
146976cc0
15463a51d
hex2ff99f8

50305528 has 64 divisors (see below), whose sum is σ = 118863360. Its totient is φ = 19426176.

The previous prime is 50305523. The next prime is 50305537. The reversal of 50305528 is 82550305.

It is a super-2 number, since 2×503055282 = 5061292294717568, which contains 22 as substring.

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

It is a junction number, because it is equal to n+sod(n) for n = 50305496 and 50305505.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50305523) 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, 30501 + ... + 32107.

It is an arithmetic number, because the mean of its divisors is an integer number (1857240).

Almost surely, 250305528 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 50305528, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (59431680).

50305528 is an abundant number, since it is smaller than the sum of its proper divisors (68557832).

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

50305528 is a wasteful number, since it uses less digits than its factorization.

50305528 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1676 (or 1672 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 28.

The square root of 50305528 is about 7092.6390011053. The cubic root of 50305528 is about 369.1520097949.

The spelling of 50305528 in words is "fifty million, three hundred five thousand, five hundred twenty-eight".

Divisors: 1 2 4 7 8 13 14 26 28 43 52 56 86 91 104 172 182 301 344 364 559 602 728 1118 1204 1607 2236 2408 3214 3913 4472 6428 7826 11249 12856 15652 20891 22498 31304 41782 44996 69101 83564 89992 138202 146237 167128 276404 292474 483707 552808 584948 898313 967414 1169896 1796626 1934828 3593252 3869656 6288191 7186504 12576382 25152764 50305528