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102641434 = 2731713331
BaseRepresentation
bin1100001111000…
…10111100011010
321011010201120121
412013202330122
5202234011214
614103543454
72354303110
oct607427432
9234121517
10102641434
1152a36035
122a45ab8a
1318359b9c
14d8bbab0
159027424
hex61e2f1a

102641434 has 32 divisors (see below), whose sum is σ = 184246272. Its totient is φ = 41958000.

The previous prime is 102641417. The next prime is 102641437. The reversal of 102641434 is 434146201.

It is a junction number, because it is equal to n+sod(n) for n = 102641399 and 102641408.

It is not an unprimeable number, because it can be changed into a prime (102641437) 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, 29149 + ... + 32479.

It is an arithmetic number, because the mean of its divisors is an integer number (5757696).

Almost surely, 2102641434 is an apocalyptic number.

102641434 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

102641434 is a deficient number, since it is larger than the sum of its proper divisors (81604838).

102641434 is a wasteful number, since it uses less digits than its factorization.

102641434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3442.

The product of its (nonzero) digits is 2304, while the sum is 25.

The square root of 102641434 is about 10131.2108851805. The cubic root of 102641434 is about 468.2102356139.

Adding to 102641434 its reverse (434146201), we get a palindrome (536787635).

The spelling of 102641434 in words is "one hundred two million, six hundred forty-one thousand, four hundred thirty-four".

Divisors: 1 2 7 14 31 62 71 142 217 434 497 994 2201 3331 4402 6662 15407 23317 30814 46634 103261 206522 236501 473002 722827 1445654 1655507 3311014 7331531 14663062 51320717 102641434