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102426042 = 23139191643
BaseRepresentation
bin1100001101011…
…10010110111010
321010201210010010
412012232112322
5202210113132
614055202350
72352415125
oct606562672
9233653103
10102426042
11528a9224
122a3763b6
13182b2b34
14d8633bc
158ed36cc
hex61ae5ba

102426042 has 32 divisors (see below), whose sum is σ = 207728640. Its totient is φ = 33666480.

The previous prime is 102426041. The next prime is 102426053. The reversal of 102426042 is 240624201.

It is not an unprimeable number, because it can be changed into a prime (102426041) 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, 158973 + ... + 159615.

It is an arithmetic number, because the mean of its divisors is an integer number (6491520).

Almost surely, 2102426042 is an apocalyptic number.

102426042 is an abundant number, since it is smaller than the sum of its proper divisors (105302598).

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

102426042 is a wasteful number, since it uses less digits than its factorization.

102426042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 978.

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 102426042 is about 10120.5751812829. The cubic root of 102426042 is about 467.8824947889.

The spelling of 102426042 in words is "one hundred two million, four hundred twenty-six thousand, forty-two".

Divisors: 1 2 3 6 139 191 278 382 417 573 643 834 1146 1286 1929 3858 26549 53098 79647 89377 122813 159294 178754 245626 268131 368439 536262 736878 17071007 34142014 51213021 102426042