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103103442 = 2351316319
BaseRepresentation
bin1100010010100…
…11101111010010
321012000012100000
412021103233102
5202343302232
614121510430
72361236061
oct611235722
9235005300
10103103442
1153221162
122a642416
131848c270
14d99c1d8
1590b927c
hex6253bd2

103103442 has 48 divisors (see below), whose sum is σ = 249500160. Its totient is φ = 31722192.

The previous prime is 103103437. The next prime is 103103449. The reversal of 103103442 is 244301301.

103103442 is a `hidden beast` number, since 10 + 310 + 344 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (103103449) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1842 + ... + 14477.

It is an arithmetic number, because the mean of its divisors is an integer number (5197920).

Almost surely, 2103103442 is an apocalyptic number.

103103442 is an abundant number, since it is smaller than the sum of its proper divisors (146396718).

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

103103442 is a wasteful number, since it uses less digits than its factorization.

103103442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16349 (or 16337 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 103103442 is about 10153.9865077712. The cubic root of 103103442 is about 468.9116843843.

Adding to 103103442 its reverse (244301301), we get a palindrome (347404743).

The spelling of 103103442 in words is "one hundred three million, one hundred three thousand, four hundred forty-two".

Divisors: 1 2 3 6 9 13 18 26 27 39 54 78 81 117 162 234 243 351 486 702 1053 2106 3159 6318 16319 32638 48957 97914 146871 212147 293742 424294 440613 636441 881226 1272882 1321839 1909323 2643678 3818646 3965517 5727969 7931034 11455938 17183907 34367814 51551721 103103442