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385805214 = 23349114551
BaseRepresentation
bin10110111111101…
…110101110011110
3222212221221021000
4112333232232132
51242231231324
6102141051130
712363201354
oct2677565636
9885857230
10385805214
11188860193
12a9256aa6
1361c11612
143934b7d4
1523d0c9c9
hex16feeb9e

385805214 has 32 divisors (see below), whose sum is σ = 859150080. Its totient is φ = 128331000.

The previous prime is 385805213. The next prime is 385805221. The reversal of 385805214 is 412508583.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (385805213) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19239 + ... + 33789.

It is an arithmetic number, because the mean of its divisors is an integer number (26848440).

Almost surely, 2385805214 is an apocalyptic number.

385805214 is an abundant number, since it is smaller than the sum of its proper divisors (473344866).

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

385805214 is a wasteful number, since it uses less digits than its factorization.

385805214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15053 (or 15047 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 36.

The square root of 385805214 is about 19641.9249056705. The cubic root of 385805214 is about 727.9854470685.

The spelling of 385805214 in words is "three hundred eighty-five million, eight hundred five thousand, two hundred fourteen".

Divisors: 1 2 3 6 9 18 27 54 491 982 1473 2946 4419 8838 13257 14551 26514 29102 43653 87306 130959 261918 392877 785754 7144541 14289082 21433623 42867246 64300869 128601738 192902607 385805214