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394980601 = 1723234153
BaseRepresentation
bin10111100010101…
…110110011111001
31000112020002112011
4113202232303321
51302103334401
6103105445521
712534164641
oct2742566371
91015202464
10394980601
11192a57854
12b03408a1
1363aa4a42
143a659521
1524a21451
hex178aecf9

394980601 has 4 divisors (see below), whose sum is σ = 418214772. Its totient is φ = 371746432.

The previous prime is 394980581. The next prime is 394980659. The reversal of 394980601 is 106089493.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 106089493 = 591798127.

It can be written as a sum of positive squares in 2 ways, for example, as 319551376 + 75429225 = 17876^2 + 8685^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-394980601 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (394987601) 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, 11617060 + ... + 11617093.

It is an arithmetic number, because the mean of its divisors is an integer number (104553693).

Almost surely, 2394980601 is an apocalyptic number.

It is an amenable number.

394980601 is a deficient number, since it is larger than the sum of its proper divisors (23234171).

394980601 is a wasteful number, since it uses less digits than its factorization.

394980601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23234170.

The product of its (nonzero) digits is 46656, while the sum is 40.

The square root of 394980601 is about 19874.1188735501. The cubic root of 394980601 is about 733.7113805352.

The spelling of 394980601 in words is "three hundred ninety-four million, nine hundred eighty thousand, six hundred one".

Divisors: 1 17 23234153 394980601