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100147860 = 223351943227
BaseRepresentation
bin1011111100000…
…10001010010100
320222110001001000
411332002022110
5201114212420
613534303300
72324146161
oct576021224
9228401030
10100147860
115159262a
1229657b30
1317995bb7
14d42d068
158bd3690
hex5f82294

100147860 has 192 divisors, whose sum is σ = 337075200. Its totient is φ = 24603264.

The previous prime is 100147849. The next prime is 100147913. The reversal of 100147860 is 68741001.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

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, 441067 + ... + 441293.

It is an arithmetic number, because the mean of its divisors is an integer number (1755600).

Almost surely, 2100147860 is an apocalyptic number.

100147860 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 100147860, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (168537600).

100147860 is an abundant number, since it is smaller than the sum of its proper divisors (236927340).

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

100147860 is a wasteful number, since it uses less digits than its factorization.

100147860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 307 (or 299 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 27.

The square root of 100147860 is about 10007.3902691961. The cubic root of 100147860 is about 464.3875391431.

Adding to 100147860 its reverse (68741001), we get a palindrome (168888861).

The spelling of 100147860 in words is "one hundred million, one hundred forty-seven thousand, eight hundred sixty".