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389254344 = 23316218931
BaseRepresentation
bin10111001100111…
…000110011001000
31000010110011120120
4113030320303020
51244122114334
6102343023240
712434415213
oct2714706310
91003404516
10389254344
1118a7a6606
12aa43ab20
136284b51b
14399a877a
152428e949
hex17338cc8

389254344 has 16 divisors (see below), whose sum is σ = 973135920. Its totient is φ = 129751440.

The previous prime is 389254289. The next prime is 389254351. The reversal of 389254344 is 443452983.

It is a junction number, because it is equal to n+sod(n) for n = 389254296 and 389254305.

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, 8109442 + ... + 8109489.

It is an arithmetic number, because the mean of its divisors is an integer number (60820995).

Almost surely, 2389254344 is an apocalyptic number.

It is an amenable number.

389254344 is an abundant number, since it is smaller than the sum of its proper divisors (583881576).

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

389254344 is a wasteful number, since it uses less digits than its factorization.

389254344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16218940 (or 16218936 counting only the distinct ones).

The product of its digits is 414720, while the sum is 42.

The square root of 389254344 is about 19729.5297460431. The cubic root of 389254344 is about 730.1484304419.

The spelling of 389254344 in words is "three hundred eighty-nine million, two hundred fifty-four thousand, three hundred forty-four".

Divisors: 1 2 3 4 6 8 12 24 16218931 32437862 48656793 64875724 97313586 129751448 194627172 389254344