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389697424 = 24107227627
BaseRepresentation
bin10111001110100…
…100111110010000
31000011021200100221
4113032210332100
51244230304144
6102400322424
712441242044
oct2716447620
91004250327
10389697424
1118aa79496
12aa613414
13629750bc
1439a82024
152432ad84
hex173a4f90

389697424 has 20 divisors (see below), whose sum is σ = 762098544. Its totient is φ = 193026848.

The previous prime is 389697421. The next prime is 389697437. The reversal of 389697424 is 424796983.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (389697421) 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, 112102 + ... + 115525.

Almost surely, 2389697424 is an apocalyptic number.

It is an amenable number.

389697424 is a deficient number, since it is larger than the sum of its proper divisors (372401120).

389697424 is a wasteful number, since it uses less digits than its factorization.

389697424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 227742 (or 227736 counting only the distinct ones).

The product of its digits is 2612736, while the sum is 52.

The square root of 389697424 is about 19740.7554060122. The cubic root of 389697424 is about 730.4253629064.

The spelling of 389697424 in words is "three hundred eighty-nine million, six hundred ninety-seven thousand, four hundred twenty-four".

Divisors: 1 2 4 8 16 107 214 428 856 1712 227627 455254 910508 1821016 3642032 24356089 48712178 97424356 194848712 389697424