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42557054 = 259360653
BaseRepresentation
bin1010001001010…
…1111001111110
32222002010022012
42202111321332
541343311204
64120051222
71024505021
oct242257176
988063265
1042557054
1122027821
1212303b12
138a806b7
14591b1b8
153b0976e
hex2895e7e

42557054 has 8 divisors (see below), whose sum is σ = 64917720. Its totient is φ = 20917816.

The previous prime is 42557051. The next prime is 42557059. The reversal of 42557054 is 45075524.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×425570542 = 3622205690317832, which contains 22 as substring.

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 42557054.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42557051) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 180209 + ... + 180444.

It is an arithmetic number, because the mean of its divisors is an integer number (8114715).

Almost surely, 242557054 is an apocalyptic number.

42557054 is a deficient number, since it is larger than the sum of its proper divisors (22360666).

42557054 is a wasteful number, since it uses less digits than its factorization.

42557054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 360714.

The product of its (nonzero) digits is 28000, while the sum is 32.

The square root of 42557054 is about 6523.5767796509. The cubic root of 42557054 is about 349.1326933894.

The spelling of 42557054 in words is "forty-two million, five hundred fifty-seven thousand, fifty-four".

Divisors: 1 2 59 118 360653 721306 21278527 42557054