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385092102 = 232913671619
BaseRepresentation
bin10110111101000…
…000101000000110
3222211121201001110
4112331000220012
51242040421402
6102113505450
712354141333
oct2675005006
9884551043
10385092102
1118841343a
12a8b72286
1361a21b65
143920398a
1523c1b56c
hex16f40a06

385092102 has 32 divisors (see below), whose sum is σ = 797817600. Its totient is φ = 123770528.

The previous prime is 385092101. The next prime is 385092119. The reversal of 385092102 is 201290583.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 385092102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (385092101) 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, 237049 + ... + 238667.

It is an arithmetic number, because the mean of its divisors is an integer number (24931800).

Almost surely, 2385092102 is an apocalyptic number.

385092102 is an abundant number, since it is smaller than the sum of its proper divisors (412725498).

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

385092102 is a wasteful number, since it uses less digits than its factorization.

385092102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3020.

The product of its (nonzero) digits is 4320, while the sum is 30.

The square root of 385092102 is about 19623.7637062822. The cubic root of 385092102 is about 727.5366408489.

The spelling of 385092102 in words is "three hundred eighty-five million, ninety-two thousand, one hundred two".

Divisors: 1 2 3 6 29 58 87 174 1367 1619 2734 3238 4101 4857 8202 9714 39643 46951 79286 93902 118929 140853 237858 281706 2213173 4426346 6639519 13279038 64182017 128364034 192546051 385092102