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105025720 = 2352625643
BaseRepresentation
bin1100100001010…
…01000010111000
321022121212012111
412100221002320
5203341310340
614231022104
72413463302
oct620510270
9238555174
10105025720
1154314418
122b20a934
13189b31c7
14dd3c972
159348aea
hex64290b8

105025720 has 16 divisors (see below), whose sum is σ = 236307960. Its totient is φ = 42010272.

The previous prime is 105025693. The next prime is 105025727. The reversal of 105025720 is 27520501.

It is a super-2 number, since 2×1050257202 = 22060803723036800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 105025691 and 105025700.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105025727) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1312782 + ... + 1312861.

Almost surely, 2105025720 is an apocalyptic number.

105025720 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

105025720 is an abundant number, since it is smaller than the sum of its proper divisors (131282240).

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

105025720 is a wasteful number, since it uses less digits than its factorization.

105025720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2625654 (or 2625650 counting only the distinct ones).

The product of its (nonzero) digits is 700, while the sum is 22.

The square root of 105025720 is about 10248.2056966086. The cubic root of 105025720 is about 471.8079152326.

The spelling of 105025720 in words is "one hundred five million, twenty-five thousand, seven hundred twenty".

Divisors: 1 2 4 5 8 10 20 40 2625643 5251286 10502572 13128215 21005144 26256430 52512860 105025720