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42146630 = 2513132173
BaseRepresentation
bin1010000011000…
…1101101000110
32221022021022022
42200301231012
541242143010
64103203142
71021145321
oct240615506
987267268
1042146630
1121877429
12121464b2
138968946
1458517b8
153a77d55
hex2831b46

42146630 has 16 divisors (see below), whose sum is σ = 76445424. Its totient is φ = 16729440.

The previous prime is 42146581. The next prime is 42146641. The reversal of 42146630 is 3664124.

It is a self number, because there is not a number n which added to its sum of digits gives 42146630.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 14777 + ... + 17396.

It is an arithmetic number, because the mean of its divisors is an integer number (4777839).

Almost surely, 242146630 is an apocalyptic number.

42146630 is a deficient number, since it is larger than the sum of its proper divisors (34298794).

42146630 is a wasteful number, since it uses less digits than its factorization.

42146630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32311.

The product of its (nonzero) digits is 3456, while the sum is 26.

The square root of 42146630 is about 6492.0435919670. The cubic root of 42146630 is about 348.0067103564.

The spelling of 42146630 in words is "forty-two million, one hundred forty-six thousand, six hundred thirty".

Divisors: 1 2 5 10 131 262 655 1310 32173 64346 160865 321730 4214663 8429326 21073315 42146630