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42698020 = 22513915359
BaseRepresentation
bin1010001011100…
…0010100100100
32222100021200011
42202320110210
541412314040
64123100004
71025633011
oct242702444
988307604
1042698020
1122113722
1212371604
138acc901
145956708
153b363ea
hex28b8524

42698020 has 24 divisors (see below), whose sum is σ = 90316800. Its totient is φ = 16955232.

The previous prime is 42697979. The next prime is 42698021. The reversal of 42698020 is 2089624.

It is not an unprimeable number, because it can be changed into a prime (42698021) 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, 4900 + ... + 10459.

It is an arithmetic number, because the mean of its divisors is an integer number (3763200).

Almost surely, 242698020 is an apocalyptic number.

It is an amenable number.

42698020 is an abundant number, since it is smaller than the sum of its proper divisors (47618780).

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

42698020 is a wasteful number, since it uses less digits than its factorization.

42698020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15507 (or 15505 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 31.

The square root of 42698020 is about 6534.3721963169. The cubic root of 42698020 is about 349.5177576233.

The spelling of 42698020 in words is "forty-two million, six hundred ninety-eight thousand, twenty".

Divisors: 1 2 4 5 10 20 139 278 556 695 1390 2780 15359 30718 61436 76795 153590 307180 2134901 4269802 8539604 10674505 21349010 42698020