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105650072 = 23119712377
BaseRepresentation
bin1100100110000…
…01011110011000
321100210120122122
412103001132120
5204021300242
614252240412
72422003463
oct623013630
9240716578
10105650072
1154700510
122b470108
1318b71448
14100622da
15941dad2
hex64c1798

105650072 has 32 divisors (see below), whose sum is σ = 218347920. Its totient is φ = 47523840.

The previous prime is 105650057. The next prime is 105650093. The reversal of 105650072 is 270056501.

It is a super-2 number, since 2×1056500722 = 22323875427210368, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2348 + ... + 14724.

Almost surely, 2105650072 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 105650072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (109173960).

105650072 is an abundant number, since it is smaller than the sum of its proper divisors (112697848).

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

105650072 is a wasteful number, since it uses less digits than its factorization.

105650072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12491 (or 12487 counting only the distinct ones).

The product of its (nonzero) digits is 2100, while the sum is 26.

The square root of 105650072 is about 10278.6220866418. The cubic root of 105650072 is about 472.7409959168.

The spelling of 105650072 in words is "one hundred five million, six hundred fifty thousand, seventy-two".

Divisors: 1 2 4 8 11 22 44 88 97 194 388 776 1067 2134 4268 8536 12377 24754 49508 99016 136147 272294 544588 1089176 1200569 2401138 4802276 9604552 13206259 26412518 52825036 105650072