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42292430 = 2517248779
BaseRepresentation
bin1010000101010…
…1010011001110
32221120200022022
42201111103032
541311324210
64110250142
71022323355
oct241252316
987520268
1042292430
1121966a24
12121b6952
1389ba10b
14588c99c
153aa6155
hex28554ce

42292430 has 16 divisors (see below), whose sum is σ = 80604720. Its totient is φ = 15921792.

The previous prime is 42292427. The next prime is 42292441. The reversal of 42292430 is 3429224.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 42292430.

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, 124220 + ... + 124559.

It is an arithmetic number, because the mean of its divisors is an integer number (5037795).

Almost surely, 242292430 is an apocalyptic number.

42292430 is a deficient number, since it is larger than the sum of its proper divisors (38312290).

42292430 is a wasteful number, since it uses less digits than its factorization.

42292430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 248803.

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

The square root of 42292430 is about 6503.2630271272. The cubic root of 42292430 is about 348.4075409970.

The spelling of 42292430 in words is "forty-two million, two hundred ninety-two thousand, four hundred thirty".

Divisors: 1 2 5 10 17 34 85 170 248779 497558 1243895 2487790 4229243 8458486 21146215 42292430