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669703936 = 2811237821
BaseRepresentation
bin100111111010101…
…101111100000000
31201200011111002111
4213322231330000
52332421011221
6150242025104
722411250416
oct4772557400
91650144074
10669703936
11314037530
12168348194
13a8992725
1464d2d2b6
153dbdabe1
hex27eadf00

669703936 has 36 divisors (see below), whose sum is σ = 1458324504. Its totient is φ = 304409600.

The previous prime is 669703897. The next prime is 669703939. The reversal of 669703936 is 639307966.

It is a self number, because there is not a number n which added to its sum of digits gives 669703936.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (669703939) 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, 116095 + ... + 121726.

It is an arithmetic number, because the mean of its divisors is an integer number (40509014).

Almost surely, 2669703936 is an apocalyptic number.

It is an amenable number.

669703936 is an abundant number, since it is smaller than the sum of its proper divisors (788620568).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

669703936 is a wasteful number, since it uses less digits than its factorization.

669703936 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 237848 (or 237834 counting only the distinct ones).

The product of its (nonzero) digits is 1102248, while the sum is 49.

The square root of 669703936 is about 25878.6386040688. The cubic root of 669703936 is about 874.9051047020.

The spelling of 669703936 in words is "six hundred sixty-nine million, seven hundred three thousand, nine hundred thirty-six".

Divisors: 1 2 4 8 11 16 22 32 44 64 88 128 176 256 352 704 1408 2816 237821 475642 951284 1902568 2616031 3805136 5232062 7610272 10464124 15220544 20928248 30441088 41856496 60882176 83712992 167425984 334851968 669703936