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42700379 = 1717314519
BaseRepresentation
bin1010001011100…
…0111001011011
32222100101220112
42202320321123
541412403004
64123114535
71025642621
oct242707133
988311815
1042700379
1122115477
1212372a4b
138b009c7
145957511
153b36e6e
hex28b8e5b

42700379 has 8 divisors (see below), whose sum is σ = 45476640. Its totient is φ = 39953536.

The previous prime is 42700363. The next prime is 42700387. The reversal of 42700379 is 97300724.

It is a happy number.

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

It is not a de Polignac number, because 42700379 - 24 = 42700363 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42700309) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4319 + ... + 10200.

It is an arithmetic number, because the mean of its divisors is an integer number (5684580).

Almost surely, 242700379 is an apocalyptic number.

42700379 is a deficient number, since it is larger than the sum of its proper divisors (2776261).

42700379 is a wasteful number, since it uses less digits than its factorization.

42700379 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14709.

The product of its (nonzero) digits is 10584, while the sum is 32.

The square root of 42700379 is about 6534.5527008358. The cubic root of 42700379 is about 349.5241942778.

The spelling of 42700379 in words is "forty-two million, seven hundred thousand, three hundred seventy-nine".

Divisors: 1 17 173 2941 14519 246823 2511787 42700379