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42593493 = 323226839
BaseRepresentation
bin1010001001111…
…0110011010101
32222010222021210
42202132303111
541400442433
64120532033
71025016165
oct242366325
988128253
1042593493
1122052138
1212321019
138a94167
14592a5a5
153b15463
hex289ecd5

42593493 has 12 divisors (see below), whose sum is σ = 59370080. Its totient is φ = 27160056.

The previous prime is 42593491. The next prime is 42593501. The reversal of 42593493 is 39439524.

It is not a de Polignac number, because 42593493 - 21 = 42593491 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42593491) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11833 + ... + 15006.

Almost surely, 242593493 is an apocalyptic number.

It is an amenable number.

42593493 is a deficient number, since it is larger than the sum of its proper divisors (16776587).

42593493 is a wasteful number, since it uses less digits than its factorization.

42593493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26888 (or 26865 counting only the distinct ones).

The product of its digits is 116640, while the sum is 39.

The square root of 42593493 is about 6526.3690517776. The cubic root of 42593493 is about 349.2323119462.

The spelling of 42593493 in words is "forty-two million, five hundred ninety-three thousand, four hundred ninety-three".

Divisors: 1 3 23 69 529 1587 26839 80517 617297 1851891 14197831 42593493