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397274974 = 2491404557
BaseRepresentation
bin10111101011011…
…110111101011110
31000200112122210221
4113223132331132
51303200244344
6103230551554
712562532035
oct2753367536
91020478727
10397274974
11194284628
12b10685ba
13643c9165
143aa9571c
1524d26184
hex17adef5e

397274974 has 8 divisors (see below), whose sum is σ = 597127608. Its totient is φ = 198232440.

The previous prime is 397274903. The next prime is 397275007. The reversal of 397274974 is 479472793.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 201297 + ... + 203260.

It is an arithmetic number, because the mean of its divisors is an integer number (74640951).

Almost surely, 2397274974 is an apocalyptic number.

397274974 is a deficient number, since it is larger than the sum of its proper divisors (199852634).

397274974 is a wasteful number, since it uses less digits than its factorization.

397274974 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 405050.

The product of its digits is 2667168, while the sum is 52.

The square root of 397274974 is about 19931.7579254816. The cubic root of 397274974 is about 735.1293054625.

The spelling of 397274974 in words is "three hundred ninety-seven million, two hundred seventy-four thousand, nine hundred seventy-four".

Divisors: 1 2 491 982 404557 809114 198637487 397274974