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42031102 = 231773877
BaseRepresentation
bin1010000001010…
…1011111111110
32221002101211111
42200111133332
541224443402
64100512234
71020154441
oct240253776
987071744
1042031102
11217a8653
12120ab67a
138928199
145821658
153a539d7
hex28157fe

42031102 has 16 divisors (see below), whose sum is σ = 65238912. Its totient is φ = 20288160.

The previous prime is 42031079. The next prime is 42031111. The reversal of 42031102 is 20113024.

It is a super-2 number, since 2×420311022 = 3533227070668808, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47488 + ... + 48364.

It is an arithmetic number, because the mean of its divisors is an integer number (4077432).

Almost surely, 242031102 is an apocalyptic number.

42031102 is a deficient number, since it is larger than the sum of its proper divisors (23207810).

42031102 is a wasteful number, since it uses less digits than its factorization.

42031102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1683.

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 42031102 is about 6483.1398257326. The cubic root of 42031102 is about 347.6884460008.

Adding to 42031102 its reverse (20113024), we get a palindrome (62144126).

The spelling of 42031102 in words is "forty-two million, thirty-one thousand, one hundred two".

Divisors: 1 2 31 62 773 877 1546 1754 23963 27187 47926 54374 677921 1355842 21015551 42031102