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42649962 = 2347151241
BaseRepresentation
bin1010001010110…
…0100101101010
32222020211202020
42202230211222
541404244322
64122045310
71025342625
oct242544552
988224666
1042649962
1122090603
1212349836
138ab3a84
145942dbc
153b2705c
hex28ac96a

42649962 has 16 divisors (see below), whose sum is σ = 87115392. Its totient is φ = 13914080.

The previous prime is 42649961. The next prime is 42649969. The reversal of 42649962 is 26994624.

It is not an unprimeable number, because it can be changed into a prime (42649961) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 75339 + ... + 75902.

It is an arithmetic number, because the mean of its divisors is an integer number (5444712).

Almost surely, 242649962 is an apocalyptic number.

42649962 is an abundant number, since it is smaller than the sum of its proper divisors (44465430).

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

42649962 is a wasteful number, since it uses less digits than its factorization.

42649962 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151293.

The product of its digits is 186624, while the sum is 42.

The square root of 42649962 is about 6530.6938375643. The cubic root of 42649962 is about 349.3865772216.

The spelling of 42649962 in words is "forty-two million, six hundred forty-nine thousand, nine hundred sixty-two".

Divisors: 1 2 3 6 47 94 141 282 151241 302482 453723 907446 7108327 14216654 21324981 42649962