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395053393 = 7383147353
BaseRepresentation
bin10111100011000…
…000100101010001
31000112100210101011
4113203000211101
51302113202033
6103111210521
712534620110
oct2743004521
91015323334
10395053393
11192aa7509
12b0376a41
1363acbc07
143a677c77
1524a37ccd
hex178c0951

395053393 has 8 divisors (see below), whose sum is σ = 452671488. Its totient is φ = 337730784.

The previous prime is 395053381. The next prime is 395053397. The reversal of 395053393 is 393350593.

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

It is a cyclic number.

It is not a de Polignac number, because 395053393 - 225 = 361498961 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (395053397) 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, 70996 + ... + 76357.

It is an arithmetic number, because the mean of its divisors is an integer number (56583936).

Almost surely, 2395053393 is an apocalyptic number.

It is an amenable number.

395053393 is a deficient number, since it is larger than the sum of its proper divisors (57618095).

395053393 is a wasteful number, since it uses less digits than its factorization.

395053393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147743.

The product of its (nonzero) digits is 164025, while the sum is 40.

The square root of 395053393 is about 19875.9501156548. The cubic root of 395053393 is about 733.7564502914.

The spelling of 395053393 in words is "three hundred ninety-five million, fifty-three thousand, three hundred ninety-three".

Divisors: 1 7 383 2681 147353 1031471 56436199 395053393