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107428992 = 2731129877
BaseRepresentation
bin1100110011100…
…11110010000000
321111010221212120
412121303302000
5210000211432
614354324240
72443063026
oct631636200
9244127776
10107428992
1155705aa0
122bb89680
1319345068
14103a6716
159670c2c
hex6673c80

107428992 has 128 divisors (see below), whose sum is σ = 322401600. Its totient is φ = 31395840.

The previous prime is 107428969. The next prime is 107428999. The reversal of 107428992 is 299824701.

It is a tau number, because it is divible by the number of its divisors (128).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (107428999) 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, 122058 + ... + 122934.

Almost surely, 2107428992 is an apocalyptic number.

107428992 is a gapful number since it is divisible by the number (12) 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 107428992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (161200800).

107428992 is an abundant number, since it is smaller than the sum of its proper divisors (214972608).

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

107428992 is a wasteful number, since it uses less digits than its factorization.

107428992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 934 (or 922 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 42.

The square root of 107428992 is about 10364.7958011724. The cubic root of 107428992 is about 475.3795555404.

The spelling of 107428992 in words is "one hundred seven million, four hundred twenty-eight thousand, nine hundred ninety-two".

Divisors: 1 2 3 4 6 8 11 12 16 22 24 29 32 33 44 48 58 64 66 87 88 96 116 128 132 174 176 192 232 264 319 348 352 384 464 528 638 696 704 877 928 957 1056 1276 1392 1408 1754 1856 1914 2112 2552 2631 2784 3508 3712 3828 4224 5104 5262 5568 7016 7656 9647 10208 10524 11136 14032 15312 19294 20416 21048 25433 28064 28941 30624 38588 40832 42096 50866 56128 57882 61248 76299 77176 84192 101732 112256 115764 122496 152598 154352 168384 203464 231528 279763 305196 308704 336768 406928 463056 559526 610392 617408 813856 839289 926112 1119052 1220784 1234816 1627712 1678578 1852224 2238104 2441568 3255424 3357156 3704448 4476208 4883136 6714312 8952416 9766272 13428624 17904832 26857248 35809664 53714496 107428992