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869493204 = 22342683621
BaseRepresentation
bin110011110100110…
…110100111010100
32020121002211110000
4303310312213110
53240042240304
6222140131300
730355366416
oct6364664724
92217084400
10869493204
11406896128
12203236b30
1310b1a4b28
14836989b6
1551502939
hex33d369d4

869493204 has 30 divisors (see below), whose sum is σ = 2273027834. Its totient is φ = 289830960.

The previous prime is 869493139. The next prime is 869493211. The reversal of 869493204 is 402394968.

It can be written as a sum of positive squares in only one way, i.e., 813960900 + 55532304 = 28530^2 + 7452^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 869493204.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 1341487 + ... + 1342134.

Almost surely, 2869493204 is an apocalyptic number.

It is an amenable number.

869493204 is an abundant number, since it is smaller than the sum of its proper divisors (1403534630).

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

869493204 is a wasteful number, since it uses less digits than its factorization.

869493204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2683637 (or 2683626 counting only the distinct ones).

The product of its (nonzero) digits is 373248, while the sum is 45.

The square root of 869493204 is about 29487.1701592404. The cubic root of 869493204 is about 954.4548679305.

The spelling of 869493204 in words is "eight hundred sixty-nine million, four hundred ninety-three thousand, two hundred four".

Divisors: 1 2 3 4 6 9 12 18 27 36 54 81 108 162 324 2683621 5367242 8050863 10734484 16101726 24152589 32203452 48305178 72457767 96610356 144915534 217373301 289831068 434746602 869493204