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42968741 = 172527573
BaseRepresentation
bin1010001111101…
…0011010100101
32222212001000212
42203322122211
541444444431
64132545205
71031141204
oct243723245
988761025
1042968741
1122289062
1212482205
138b95bba
1459c723b
153b8b72b
hex28fa6a5

42968741 has 4 divisors (see below), whose sum is σ = 45496332. Its totient is φ = 40441152.

The previous prime is 42968713. The next prime is 42968753. The reversal of 42968741 is 14786924.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 14984641 + 27984100 = 3871^2 + 5290^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-42968741 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 (42968701) 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, 1263770 + ... + 1263803.

It is an arithmetic number, because the mean of its divisors is an integer number (11374083).

Almost surely, 242968741 is an apocalyptic number.

It is an amenable number.

42968741 is a deficient number, since it is larger than the sum of its proper divisors (2527591).

42968741 is a wasteful number, since it uses less digits than its factorization.

42968741 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2527590.

The product of its digits is 96768, while the sum is 41.

The square root of 42968741 is about 6555.0546145703. The cubic root of 42968741 is about 350.2548918778.

The spelling of 42968741 in words is "forty-two million, nine hundred sixty-eight thousand, seven hundred forty-one".

Divisors: 1 17 2527573 42968741