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397224148 = 22271936523
BaseRepresentation
bin10111101011010…
…010100011010100
31000200110002002111
4113223102203110
51303142133043
6103225520404
712562230616
oct2753224324
91020402074
10397224148
1119424a422
12b1043104
13643abc99
143aa80db6
1524d1609d
hex17ad28d4

397224148 has 12 divisors (see below), whose sum is σ = 695416960. Its totient is φ = 198533592.

The previous prime is 397224133. The next prime is 397224161. The reversal of 397224148 is 841422793.

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 397224148.

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, 7386 + ... + 29137.

Almost surely, 2397224148 is an apocalyptic number.

It is an amenable number.

397224148 is a deficient number, since it is larger than the sum of its proper divisors (298192812).

397224148 is a wasteful number, since it uses less digits than its factorization.

397224148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39246 (or 39244 counting only the distinct ones).

The product of its digits is 96768, while the sum is 40.

The square root of 397224148 is about 19930.4828842655. The cubic root of 397224148 is about 735.0979541500.

The spelling of 397224148 in words is "three hundred ninety-seven million, two hundred twenty-four thousand, one hundred forty-eight".

Divisors: 1 2 4 2719 5438 10876 36523 73046 146092 99306037 198612074 397224148