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103243788 = 223317531061
BaseRepresentation
bin1100010011101…
…10000000001100
321012021022212000
412021312000030
5202412300123
614124512300
72362362204
oct611660014
9235238760
10103243788
115330764a
122a6ab690
131850b0cb
14d9d7404
1590e5b43
hex627600c

103243788 has 96 divisors (see below), whose sum is σ = 289033920. Its totient is φ = 31749120.

The previous prime is 103243759. The next prime is 103243807. The reversal of 103243788 is 887342301.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 96778 + ... + 97838.

It is an arithmetic number, because the mean of its divisors is an integer number (3010770).

Almost surely, 2103243788 is an apocalyptic number.

103243788 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 103243788, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (144516960).

103243788 is an abundant number, since it is smaller than the sum of its proper divisors (185790132).

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

103243788 is a wasteful number, since it uses less digits than its factorization.

103243788 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1144 (or 1136 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 36.

The square root of 103243788 is about 10160.8950393162. The cubic root of 103243788 is about 469.1243511976.

The spelling of 103243788 in words is "one hundred three million, two hundred forty-three thousand, seven hundred eighty-eight".

Divisors: 1 2 3 4 6 9 12 17 18 27 34 36 51 53 54 68 102 106 108 153 159 204 212 306 318 459 477 612 636 901 918 954 1061 1431 1802 1836 1908 2122 2703 2862 3183 3604 4244 5406 5724 6366 8109 9549 10812 12732 16218 18037 19098 24327 28647 32436 36074 38196 48654 54111 56233 57294 72148 97308 108222 112466 114588 162333 168699 216444 224932 324666 337398 486999 506097 649332 674796 955961 973998 1012194 1518291 1911922 1947996 2024388 2867883 3036582 3823844 5735766 6073164 8603649 11471532 17207298 25810947 34414596 51621894 103243788