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100125320 = 23512831951
BaseRepresentation
bin1011111011111…
…00101010001000
320222101220010012
411331330222020
5201113002240
613534011052
72324023361
oct575745210
9228356105
10100125320
11515776a9
1229646a88
1317988869
14d424b68
158bcbb65
hex5f7ca88

100125320 has 32 divisors (see below), whose sum is σ = 225573120. Its totient is φ = 39998400.

The previous prime is 100125317. The next prime is 100125323. The reversal of 100125320 is 23521001.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (100125317) and next prime (100125323).

It is a junction number, because it is equal to n+sod(n) for n = 100125295 and 100125304.

It is not an unprimeable number, because it can be changed into a prime (100125323) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50345 + ... + 52295.

It is an arithmetic number, because the mean of its divisors is an integer number (7049160).

Almost surely, 2100125320 is an apocalyptic number.

100125320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100125320 is an abundant number, since it is smaller than the sum of its proper divisors (125447800).

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

100125320 is a wasteful number, since it uses less digits than its factorization.

100125320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3245 (or 3241 counting only the distinct ones).

The product of its (nonzero) digits is 60, while the sum is 14.

The square root of 100125320 is about 10006.2640380913. The cubic root of 100125320 is about 464.3526970589.

Adding to 100125320 its reverse (23521001), we get a palindrome (123646321).

The spelling of 100125320 in words is "one hundred million, one hundred twenty-five thousand, three hundred twenty".

Divisors: 1 2 4 5 8 10 20 40 1283 1951 2566 3902 5132 6415 7804 9755 10264 12830 15608 19510 25660 39020 51320 78040 2503133 5006266 10012532 12515665 20025064 25031330 50062660 100125320