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34381290 = 2351146043
BaseRepresentation
bin1000001100100…
…1110111101010
32101200202021010
42003021313222
532300200130
63224524350
7565143666
oct203116752
971622233
1034381290
1118453199
12b6206b6
13717a278
1447cd8a6
1530420b0
hex20c9dea

34381290 has 16 divisors (see below), whose sum is σ = 82515168. Its totient is φ = 9168336.

The previous prime is 34381289. The next prime is 34381351. The reversal of 34381290 is 9218343.

34381290 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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: 1146043 = 34381290 / (3 + 4 + 3 + 8 + 1 + 2 + 9 + 0).

It is an alternating number because its digits alternate between odd and even.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 572992 + ... + 573051.

It is an arithmetic number, because the mean of its divisors is an integer number (5157198).

Almost surely, 234381290 is an apocalyptic number.

34381290 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

34381290 is an abundant number, since it is smaller than the sum of its proper divisors (48133878).

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

34381290 is a wasteful number, since it uses less digits than its factorization.

34381290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1146053.

The product of its (nonzero) digits is 5184, while the sum is 30.

The square root of 34381290 is about 5863.5560882454. The cubic root of 34381290 is about 325.1676925523.

The spelling of 34381290 in words is "thirty-four million, three hundred eighty-one thousand, two hundred ninety".

Divisors: 1 2 3 5 6 10 15 30 1146043 2292086 3438129 5730215 6876258 11460430 17190645 34381290