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102384108 = 22336115541
BaseRepresentation
bin1100001101001…
…00000111101100
321010122122121000
412012210013230
5202202242413
614054240300
72352151641
oct606440754
9233578530
10102384108
115287a772
122a356090
1318299a18
14d851dc8
158ec6073
hex61a41ec

102384108 has 48 divisors (see below), whose sum is σ = 269809120. Its totient is φ = 33566400.

The previous prime is 102384101. The next prime is 102384119. The reversal of 102384108 is 801483201.

102384108 is a `hidden beast` number, since 10 + 238 + 410 + 8 = 666.

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

It is not an unprimeable number, because it can be changed into a prime (102384101) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1183 + ... + 14358.

Almost surely, 2102384108 is an apocalyptic number.

102384108 is a gapful number since it is divisible by the number (18) 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 102384108, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (134904560).

102384108 is an abundant number, since it is smaller than the sum of its proper divisors (167425012).

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

102384108 is a wasteful number, since it uses less digits than its factorization.

102384108 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15615 (or 15607 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 27.

The square root of 102384108 is about 10118.5032489988. The cubic root of 102384108 is about 467.8186345234.

The spelling of 102384108 in words is "one hundred two million, three hundred eighty-four thousand, one hundred eight".

Divisors: 1 2 3 4 6 9 12 18 27 36 54 61 108 122 183 244 366 549 732 1098 1647 2196 3294 6588 15541 31082 46623 62164 93246 139869 186492 279738 419607 559476 839214 948001 1678428 1896002 2844003 3792004 5688006 8532009 11376012 17064018 25596027 34128036 51192054 102384108