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385842424 = 231119230767
BaseRepresentation
bin10110111111110…
…111110011111000
3222220000211022011
4112333313303320
51242233424144
6102141535304
712363415012
oct2677676370
9886024264
10385842424
11188886140
12a9274534
1361c25536
143935b1b2
1523d18a34
hex16ff7cf8

385842424 has 32 divisors (see below), whose sum is σ = 830764800. Its totient is φ = 166151520.

The previous prime is 385842389. The next prime is 385842433. The reversal of 385842424 is 424248583.

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, 113712 + ... + 117055.

It is an arithmetic number, because the mean of its divisors is an integer number (25961400).

Almost surely, 2385842424 is an apocalyptic number.

It is an amenable number.

385842424 is an abundant number, since it is smaller than the sum of its proper divisors (444922376).

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

385842424 is a wasteful number, since it uses less digits than its factorization.

385842424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 230803 (or 230799 counting only the distinct ones).

The product of its digits is 245760, while the sum is 40.

The square root of 385842424 is about 19642.8720914229. The cubic root of 385842424 is about 728.0088504741.

The spelling of 385842424 in words is "three hundred eighty-five million, eight hundred forty-two thousand, four hundred twenty-four".

Divisors: 1 2 4 8 11 19 22 38 44 76 88 152 209 418 836 1672 230767 461534 923068 1846136 2538437 4384573 5076874 8769146 10153748 17538292 20307496 35076584 48230303 96460606 192921212 385842424