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109025928 = 233211137659
BaseRepresentation
bin1100111111110…
…01101010001000
321121011002110100
412133321222020
5210402312203
614452445400
72462463564
oct637715210
9247132410
10109025928
11565a6880
1230619860
1319783bab
14106a06a4
159888ea3
hex67f9a88

109025928 has 48 divisors (see below), whose sum is σ = 322124400. Its totient is φ = 33037920.

The previous prime is 109025927. The next prime is 109025953. The reversal of 109025928 is 829520901.

It is a super-2 number, since 2×1090259282 = 23773305952522368, which contains 22 as substring.

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

It is a junction number, because it is equal to n+sod(n) for n = 109025892 and 109025901.

It is not an unprimeable number, because it can be changed into a prime (109025921) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 68038 + ... + 69621.

It is an arithmetic number, because the mean of its divisors is an integer number (6710925).

Almost surely, 2109025928 is an apocalyptic number.

109025928 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

109025928 is an abundant number, since it is smaller than the sum of its proper divisors (213098472).

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

109025928 is a wasteful number, since it uses less digits than its factorization.

109025928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137682 (or 137675 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 36.

The square root of 109025928 is about 10441.5481610727. The cubic root of 109025928 is about 477.7234910417.

The spelling of 109025928 in words is "one hundred nine million, twenty-five thousand, nine hundred twenty-eight".

Divisors: 1 2 3 4 6 8 9 11 12 18 22 24 33 36 44 66 72 88 99 132 198 264 396 792 137659 275318 412977 550636 825954 1101272 1238931 1514249 1651908 2477862 3028498 3303816 4542747 4955724 6056996 9085494 9911448 12113992 13628241 18170988 27256482 36341976 54512964 109025928