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50091272 = 23711233349
BaseRepresentation
bin1011111100010…
…1010100001000
310111020220022022
42333011110020
5100310410042
64545344012
71145524460
oct277052410
9114226268
1050091272
1126303350
1214938008
13a4bab0a
14691cba0
1545e6cd2
hex2fc5508

50091272 has 64 divisors (see below), whose sum is σ = 117936000. Its totient is φ = 19376640.

The previous prime is 50091271. The next prime is 50091287. The reversal of 50091272 is 27219005.

It is a super-4 number, since 4×500912724 (a number of 32 digits) contains 4444 as substring.

It is not an unprimeable number, because it can be changed into a prime (50091271) 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, 143354 + ... + 143702.

It is an arithmetic number, because the mean of its divisors is an integer number (1842750).

Almost surely, 250091272 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 50091272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (58968000).

50091272 is an abundant number, since it is smaller than the sum of its proper divisors (67844728).

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

50091272 is a wasteful number, since it uses less digits than its factorization.

50091272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 606 (or 602 counting only the distinct ones).

The product of its (nonzero) digits is 1260, while the sum is 26.

The square root of 50091272 is about 7077.5187742598. The cubic root of 50091272 is about 368.6271795503.

The spelling of 50091272 in words is "fifty million, ninety-one thousand, two hundred seventy-two".

Divisors: 1 2 4 7 8 11 14 22 28 44 56 77 88 154 233 308 349 466 616 698 932 1396 1631 1864 2443 2563 2792 3262 3839 4886 5126 6524 7678 9772 10252 13048 15356 17941 19544 20504 26873 30712 35882 53746 71764 81317 107492 143528 162634 214984 325268 569219 650536 894487 1138438 1788974 2276876 3577948 4553752 6261409 7155896 12522818 25045636 50091272