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108387240 = 233513176167
BaseRepresentation
bin1100111010111…
…01101110101000
321112221122100020
412131131232220
5210221342430
614431040440
72454163533
oct635355650
9245848306
10108387240
11561aaa35
1230370120
13195bc280
1410575a1a
1597aeb10
hex675dba8

108387240 has 256 divisors, whose sum is σ = 382475520. Its totient is φ = 24330240.

The previous prime is 108387221. The next prime is 108387259. The reversal of 108387240 is 42783801.

It is an interprime number because it is at equal distance from previous prime (108387221) and next prime (108387259).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1617687 + ... + 1617753.

It is an arithmetic number, because the mean of its divisors is an integer number (1494045).

Almost surely, 2108387240 is an apocalyptic number.

108387240 is a gapful number since it is divisible by the number (10) 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 108387240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (191237760).

108387240 is an abundant number, since it is smaller than the sum of its proper divisors (274088280).

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

108387240 is a wasteful number, since it uses less digits than its factorization.

108387240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172 (or 168 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 33.

The square root of 108387240 is about 10410.9192677688. The cubic root of 108387240 is about 476.7888081431.

The spelling of 108387240 in words is "one hundred eight million, three hundred eighty-seven thousand, two hundred forty".