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389402496 = 27327431123
BaseRepresentation
bin10111001101011…
…100111110000000
31000010201200210200
4113031130332000
51244141334441
6102350125200
712435603150
oct2715347600
91003650720
10389402496
1118a89794a
12aa4b0800
13628a0aa2
1439a06760
15242bd7b6
hex1735cf80

389402496 has 192 divisors, whose sum is σ = 1311573120. Its totient is φ = 108573696.

The previous prime is 389402477. The next prime is 389402579. The reversal of 389402496 is 694204983.

It is a tau number, because it is divible by the number of its divisors (192).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 346191 + ... + 347313.

It is an arithmetic number, because the mean of its divisors is an integer number (6831110).

Almost surely, 2389402496 is an apocalyptic number.

389402496 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 389402496, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (655786560).

389402496 is an abundant number, since it is smaller than the sum of its proper divisors (922170624).

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

389402496 is a wasteful number, since it uses less digits than its factorization.

389402496 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1193 (or 1178 counting only the distinct ones).

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

The square root of 389402496 is about 19733.2839639022. The cubic root of 389402496 is about 730.2410513132.

The spelling of 389402496 in words is "three hundred eighty-nine million, four hundred two thousand, four hundred ninety-six".