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381085410 = 23512702847
BaseRepresentation
bin10110101101101…
…110011011100010
3222120002010220110
4112231232123202
51240024213120
6101451552150
712305113116
oct2655563342
9876063813
10381085410
11186127122
12a775b656
1360c4b234
143887d746
15236c92e0
hex16b6e6e2

381085410 has 16 divisors (see below), whose sum is σ = 914605056. Its totient is φ = 101622768.

The previous prime is 381085409. The next prime is 381085421. The reversal of 381085410 is 14580183.

It is a Harshad number since it is a multiple of its sum of digits (30), and also a Moran number because the ratio is a prime number: 12702847 = 381085410 / (3 + 8 + 1 + 0 + 8 + 5 + 4 + 1 + 0).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6351394 + ... + 6351453.

It is an arithmetic number, because the mean of its divisors is an integer number (57162816).

Almost surely, 2381085410 is an apocalyptic number.

381085410 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

381085410 is an abundant number, since it is smaller than the sum of its proper divisors (533519646).

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

381085410 is a wasteful number, since it uses less digits than its factorization.

381085410 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12702857.

The product of its (nonzero) digits is 3840, while the sum is 30.

The square root of 381085410 is about 19521.4090167693. The cubic root of 381085410 is about 725.0046198675.

The spelling of 381085410 in words is "three hundred eighty-one million, eighty-five thousand, four hundred ten".

Divisors: 1 2 3 5 6 10 15 30 12702847 25405694 38108541 63514235 76217082 127028470 190542705 381085410