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385761601 = 3111240391
BaseRepresentation
bin10110111111100…
…100000101000001
3222212212201102201
4112333210011001
51242223332401
6102140113201
712362630251
oct2677440501
9885781381
10385761601
11188830445
12a9235801
1361bc7804
1439339961
1523ceeb01
hex16fe4141

385761601 has 4 divisors (see below), whose sum is σ = 387002304. Its totient is φ = 384520900.

The previous prime is 385761587. The next prime is 385761619. The reversal of 385761601 is 106167583.

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, and also an emirpimes, since its reverse is a distinct semiprime: 106167583 = 166363841.

It is a cyclic number.

It is not a de Polignac number, because 385761601 - 27 = 385761473 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (385761631) 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, 619885 + ... + 620506.

It is an arithmetic number, because the mean of its divisors is an integer number (96750576).

Almost surely, 2385761601 is an apocalyptic number.

It is an amenable number.

385761601 is a deficient number, since it is larger than the sum of its proper divisors (1240703).

385761601 is a wasteful number, since it uses less digits than its factorization.

385761601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1240702.

The product of its (nonzero) digits is 30240, while the sum is 37.

The square root of 385761601 is about 19640.8146725130. The cubic root of 385761601 is about 727.9580145502.

The spelling of 385761601 in words is "three hundred eighty-five million, seven hundred sixty-one thousand, six hundred one".

Divisors: 1 311 1240391 385761601