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42700393 = 414722159
BaseRepresentation
bin1010001011100…
…0111001101001
32222100101221001
42202320321221
541412403033
64123115001
71025642641
oct242707151
988311831
1042700393
112211548a
1212372a61
138b00a08
145957521
153b36e7d
hex28b8e69

42700393 has 8 divisors (see below), whose sum is σ = 44674560. Its totient is φ = 40770720.

The previous prime is 42700387. The next prime is 42700403. The reversal of 42700393 is 39300724.

42700393 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-42700393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42700303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9153 + ... + 13006.

It is an arithmetic number, because the mean of its divisors is an integer number (5584320).

Almost surely, 242700393 is an apocalyptic number.

It is an amenable number.

42700393 is a deficient number, since it is larger than the sum of its proper divisors (1974167).

42700393 is a wasteful number, since it uses less digits than its factorization.

42700393 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22247.

The product of its (nonzero) digits is 4536, while the sum is 28.

The square root of 42700393 is about 6534.5537720643. The cubic root of 42700393 is about 349.5242324768.

The spelling of 42700393 in words is "forty-two million, seven hundred thousand, three hundred ninety-three".

Divisors: 1 41 47 1927 22159 908519 1041473 42700393