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42942294 = 23243109509
BaseRepresentation
bin1010001111001…
…1111101010110
32222210200202100
42203303331112
541443123134
64132222530
71031001123
oct243637526
988720670
1042942294
11222701aa
121246aa46
138b86b55
1459bb74a
153b83999
hex28f3f56

42942294 has 48 divisors (see below), whose sum is σ = 96267600. Its totient is φ = 13825728.

The previous prime is 42942283. The next prime is 42942313. The reversal of 42942294 is 49224924.

42942294 is a `hidden beast` number, since 429 + 4 + 229 + 4 = 666.

It is a super-2 number, since 2×429422942 = 3688081227964872, which contains 22 as substring.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 84112 + ... + 84620.

It is an arithmetic number, because the mean of its divisors is an integer number (2005575).

Almost surely, 242942294 is an apocalyptic number.

42942294 is an abundant number, since it is smaller than the sum of its proper divisors (53325306).

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

42942294 is a wasteful number, since it uses less digits than its factorization.

42942294 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 669 (or 666 counting only the distinct ones).

The product of its digits is 41472, while the sum is 36.

The square root of 42942294 is about 6553.0370058470. The cubic root of 42942294 is about 350.1830172076.

The spelling of 42942294 in words is "forty-two million, nine hundred forty-two thousand, two hundred ninety-four".

Divisors: 1 2 3 6 9 18 43 86 109 129 218 258 327 387 509 654 774 981 1018 1527 1962 3054 4581 4687 9162 9374 14061 21887 28122 42183 43774 55481 65661 84366 110962 131322 166443 196983 332886 393966 499329 998658 2385683 4771366 7157049 14314098 21471147 42942294