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385601797 = 755085971
BaseRepresentation
bin10110111110111…
…101000100000101
3222212120121020001
4112332331010011
51242203224142
6102132441301
712361363330
oct2676750405
9885517201
10385601797
11188731379
12a9179231
1361b6cb59
14392d7617
1523cbc5b7
hex16fbd105

385601797 has 4 divisors (see below), whose sum is σ = 440687776. Its totient is φ = 330515820.

The previous prime is 385601791. The next prime is 385601807. The reversal of 385601797 is 797106583.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 385601797 - 211 = 385599749 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 (385601791) 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, 27542979 + ... + 27542992.

It is an arithmetic number, because the mean of its divisors is an integer number (110171944).

Almost surely, 2385601797 is an apocalyptic number.

It is an amenable number.

385601797 is a deficient number, since it is larger than the sum of its proper divisors (55085979).

385601797 is an equidigital number, since it uses as much as digits as its factorization.

385601797 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55085978.

The product of its (nonzero) digits is 317520, while the sum is 46.

The square root of 385601797 is about 19636.7460899203. The cubic root of 385601797 is about 727.8574803779.

The spelling of 385601797 in words is "three hundred eighty-five million, six hundred one thousand, seven hundred ninety-seven".

Divisors: 1 7 55085971 385601797