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103402434 = 23231913923
BaseRepresentation
bin1100010100111…
…00101111000010
321012120101110210
412022130233002
5202432334214
614132134550
72363622552
oct612345702
9235511423
10103402434
1153405863
122a767456
1318565395
14da39162
159127b59
hex629cbc2

103402434 has 32 divisors (see below), whose sum is σ = 216981504. Its totient is φ = 32787920.

The previous prime is 103402433. The next prime is 103402441. The reversal of 103402434 is 434204301.

It is a self number, because there is not a number n which added to its sum of digits gives 103402434.

It is not an unprimeable number, because it can be changed into a prime (103402433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24397 + ... + 28319.

It is an arithmetic number, because the mean of its divisors is an integer number (6780672).

Almost surely, 2103402434 is an apocalyptic number.

103402434 is an abundant number, since it is smaller than the sum of its proper divisors (113579070).

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

103402434 is a wasteful number, since it uses less digits than its factorization.

103402434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4142.

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 103402434 is about 10168.6987368099. The cubic root of 103402434 is about 469.3645161349.

Adding to 103402434 its reverse (434204301), we get a palindrome (537606735).

The spelling of 103402434 in words is "one hundred three million, four hundred two thousand, four hundred thirty-four".

Divisors: 1 2 3 6 23 46 69 138 191 382 573 1146 3923 4393 7846 8786 11769 13179 23538 26358 90229 180458 270687 541374 749293 1498586 2247879 4495758 17233739 34467478 51701217 103402434