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385552438 = 2416770177
BaseRepresentation
bin10110111110110…
…001000000110110
3222212111002111221
4112332301000312
51242200134223
6102131420554
712361066405
oct2676610066
9885432457
10385552438
111886a8287
12a915475a
1361b5354b
14392c363c
1523cacb5d
hex16fb1036

385552438 has 16 divisors (see below), whose sum is σ = 601285104. Its totient is φ = 185264640.

The previous prime is 385552429. The next prime is 385552459. The reversal of 385552438 is 834255583.

It is a junction number, because it is equal to n+sod(n) for n = 385552394 and 385552403.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29595 + ... + 40582.

It is an arithmetic number, because the mean of its divisors is an integer number (37580319).

Almost surely, 2385552438 is an apocalyptic number.

385552438 is a deficient number, since it is larger than the sum of its proper divisors (215732666).

385552438 is a wasteful number, since it uses less digits than its factorization.

385552438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70287.

The product of its digits is 576000, while the sum is 43.

The square root of 385552438 is about 19635.4892477880. The cubic root of 385552438 is about 727.8264225607.

The spelling of 385552438 in words is "three hundred eighty-five million, five hundred fifty-two thousand, four hundred thirty-eight".

Divisors: 1 2 41 67 82 134 2747 5494 70177 140354 2877257 4701859 5754514 9403718 192776219 385552438