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8140542 = 231356757
BaseRepresentation
bin11111000011011011111110
3120022120201120
4133003123332
54040444132
6450251410
7126123234
oct37033376
916276646
108140542
114660123
122886b66
1318c03b7
14111c954
15aac02c
hex7c36fe

8140542 has 8 divisors (see below), whose sum is σ = 16281096. Its totient is φ = 2713512.

The previous prime is 8140537. The next prime is 8140553. The reversal of 8140542 is 2450418.

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

8140542 is an admirable number.

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, 678373 + ... + 678384.

It is an arithmetic number, because the mean of its divisors is an integer number (2035137).

Almost surely, 28140542 is an apocalyptic number.

8140542 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

8140542 is a wasteful number, since it uses less digits than its factorization.

8140542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1356762.

The product of its (nonzero) digits is 1280, while the sum is 24.

The square root of 8140542 is about 2853.1635074072. The cubic root of 8140542 is about 201.1643911439.

The spelling of 8140542 in words is "eight million, one hundred forty thousand, five hundred forty-two".

Divisors: 1 2 3 6 1356757 2713514 4070271 8140542