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102363140 = 22511538779
BaseRepresentation
bin1100001100111…
…11000000000100
321010121120211102
412012133000010
5202201110030
614053555232
72352033545
oct606370004
9233546742
10102363140
1152865a40
122a345b18
1318290309
14d8484cc
158ebec45
hex619f004

102363140 has 48 divisors (see below), whose sum is σ = 238956480. Its totient is φ = 36516480.

The previous prime is 102363109. The next prime is 102363161. The reversal of 102363140 is 41363201.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7271 + ... + 16049.

It is an arithmetic number, because the mean of its divisors is an integer number (4978260).

Almost surely, 2102363140 is an apocalyptic number.

102363140 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 102363140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (119478240).

102363140 is an abundant number, since it is smaller than the sum of its proper divisors (136593340).

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

102363140 is a wasteful number, since it uses less digits than its factorization.

102363140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8852 (or 8850 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 102363140 is about 10117.4670743225. The cubic root of 102363140 is about 467.7866963284.

The spelling of 102363140 in words is "one hundred two million, three hundred sixty-three thousand, one hundred forty".

Divisors: 1 2 4 5 10 11 20 22 44 53 55 106 110 212 220 265 530 583 1060 1166 2332 2915 5830 8779 11660 17558 35116 43895 87790 96569 175580 193138 386276 465287 482845 930574 965690 1861148 1931380 2326435 4652870 5118157 9305740 10236314 20472628 25590785 51181570 102363140