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404272797 = 3134757599
BaseRepresentation
bin11000000110001…
…011011010011101
31001011201012000120
4120012023122131
51311443212142
6104040545153
713006155615
oct3006133235
91034635016
10404272797
11198224155
12b34821b9
13659a9396
143b997a45
15257597ec
hex1818b69d

404272797 has 4 divisors (see below), whose sum is σ = 539030400. Its totient is φ = 269515196.

The previous prime is 404272787. The next prime is 404272807. The reversal of 404272797 is 797272404.

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 an interprime number because it is at equal distance from previous prime (404272787) and next prime (404272807).

It is a cyclic number.

It is not a de Polignac number, because 404272797 - 212 = 404268701 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (404272717) 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, 67378797 + ... + 67378802.

It is an arithmetic number, because the mean of its divisors is an integer number (134757600).

Almost surely, 2404272797 is an apocalyptic number.

It is an amenable number.

404272797 is a deficient number, since it is larger than the sum of its proper divisors (134757603).

404272797 is a wasteful number, since it uses less digits than its factorization.

404272797 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134757602.

The product of its (nonzero) digits is 197568, while the sum is 42.

The square root of 404272797 is about 20106.5361760797. The cubic root of 404272797 is about 739.4205330891.

The spelling of 404272797 in words is "four hundred four million, two hundred seventy-two thousand, seven hundred ninety-seven".

Divisors: 1 3 134757599 404272797