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42581054 = 228175767
BaseRepresentation
bin1010001001101…
…1110000111110
32222010100020002
42202123300332
541400043204
64120354302
71024635005
oct242336076
988110202
1042581054
112204385a
1212315992
138a8b5b9
145925c3c
153b1191e
hex289bc3e

42581054 has 8 divisors (see below), whose sum is σ = 64099728. Its totient is φ = 21214480.

The previous prime is 42581047. The next prime is 42581081. The reversal of 42581054 is 45018524.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37322 + ... + 38445.

It is an arithmetic number, because the mean of its divisors is an integer number (8012466).

Almost surely, 242581054 is an apocalyptic number.

42581054 is a deficient number, since it is larger than the sum of its proper divisors (21518674).

42581054 is a wasteful number, since it uses less digits than its factorization.

42581054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76050.

The product of its (nonzero) digits is 6400, while the sum is 29.

The square root of 42581054 is about 6525.4160020645. The cubic root of 42581054 is about 349.1983120449.

Adding to 42581054 its reverse (45018524), we get a palindrome (87599578).

The spelling of 42581054 in words is "forty-two million, five hundred eighty-one thousand, fifty-four".

Divisors: 1 2 281 562 75767 151534 21290527 42581054