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869349248 = 2753128147
BaseRepresentation
bin110011110100010…
…011011110000000
32020120211111222022
4303310103132000
53240023133443
6222133101012
730354226625
oct6364233600
92216744868
10869349248
114067a7a59
12203187768
1310b154451
148365c34c
15514c4e68
hex33d13780

869349248 has 32 divisors (see below), whose sum is σ = 1764597960. Its totient is φ = 426469888.

The previous prime is 869349223. The next prime is 869349251. The reversal of 869349248 is 842943968.

It is a tau number, because it is divible by the number of its divisors (32).

It is a super-2 number, since 2×8693492482 = 1511536229996331008, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (53).

It is a self number, because there is not a number n which added to its sum of digits gives 869349248.

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, 57290 + ... + 70857.

Almost surely, 2869349248 is an apocalyptic number.

It is an amenable number.

869349248 is an abundant number, since it is smaller than the sum of its proper divisors (895248712).

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

869349248 is a wasteful number, since it uses less digits than its factorization.

869349248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128214 (or 128202 counting only the distinct ones).

The product of its digits is 2985984, while the sum is 53.

The square root of 869349248 is about 29484.7290643818. The cubic root of 869349248 is about 954.4021908508.

The spelling of 869349248 in words is "eight hundred sixty-nine million, three hundred forty-nine thousand, two hundred forty-eight".

Divisors: 1 2 4 8 16 32 53 64 106 128 212 424 848 1696 3392 6784 128147 256294 512588 1025176 2050352 4100704 6791791 8201408 13583582 16402816 27167164 54334328 108668656 217337312 434674624 869349248