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42191130 = 23511711201
BaseRepresentation
bin1010000011110…
…0100100011010
32221101112100110
42200330210122
541300104010
64104145150
71021422132
oct240744432
987345313
1042191130
11218a7903
12121681b6
138982c87
145863ac2
153a86120
hex283c91a

42191130 has 32 divisors (see below), whose sum is σ = 101429568. Its totient is φ = 11232000.

The previous prime is 42191119. The next prime is 42191159. The reversal of 42191130 is 3119124.

It is a junction number, because it is equal to n+sod(n) for n = 42191097 and 42191106.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34530 + ... + 35730.

It is an arithmetic number, because the mean of its divisors is an integer number (3169674).

Almost surely, 242191130 is an apocalyptic number.

42191130 is an abundant number, since it is smaller than the sum of its proper divisors (59238438).

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

42191130 is a wasteful number, since it uses less digits than its factorization.

42191130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2382.

The product of its (nonzero) digits is 216, while the sum is 21.

The square root of 42191130 is about 6495.4699599028. The cubic root of 42191130 is about 348.1291468079.

The spelling of 42191130 in words is "forty-two million, one hundred ninety-one thousand, one hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 1171 1201 2342 2402 3513 3603 5855 6005 7026 7206 11710 12010 17565 18015 35130 36030 1406371 2812742 4219113 7031855 8438226 14063710 21095565 42191130