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42344930 = 2529151967
BaseRepresentation
bin1010000110001…
…0000111100010
32221200100022202
42201202013202
541320014210
64111333202
71022632415
oct241420742
987610282
1042344930
11219a2411
1212221202
138a07c94
1458a3b7c
153ab69a5
hex28621e2

42344930 has 32 divisors (see below), whose sum is σ = 79453440. Its totient is φ = 16228800.

The previous prime is 42344917. The next prime is 42344963. The reversal of 42344930 is 3944324.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a junction number, because it is equal to n+sod(n) for n = 42344893 and 42344902.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43307 + ... + 44273.

It is an arithmetic number, because the mean of its divisors is an integer number (2482920).

Almost surely, 242344930 is an apocalyptic number.

42344930 is a deficient number, since it is larger than the sum of its proper divisors (37108510).

42344930 is a wasteful number, since it uses less digits than its factorization.

42344930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1154.

The product of its (nonzero) digits is 10368, while the sum is 29.

The square root of 42344930 is about 6507.2982104711. The cubic root of 42344930 is about 348.5516474198.

The spelling of 42344930 in words is "forty-two million, three hundred forty-four thousand, nine hundred thirty".

Divisors: 1 2 5 10 29 58 145 151 290 302 755 967 1510 1934 4379 4835 8758 9670 21895 28043 43790 56086 140215 146017 280430 292034 730085 1460170 4234493 8468986 21172465 42344930