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214311090 = 23571020529
BaseRepresentation
bin11001100011000…
…10000010110010
3112221021010112210
430301202002302
5414330423330
633133232550
75211420450
oct1461420262
9487233483
10214311090
11aaa78104
125b932756
13355281c6
14206699d0
1513c348b0
hexcc620b2

214311090 has 32 divisors (see below), whose sum is σ = 587825280. Its totient is φ = 48985344.

The previous prime is 214311047. The next prime is 214311109. The reversal of 214311090 is 90113412.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 510055 + ... + 510474.

It is an arithmetic number, because the mean of its divisors is an integer number (18369540).

Almost surely, 2214311090 is an apocalyptic number.

214311090 is an abundant number, since it is smaller than the sum of its proper divisors (373514190).

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

214311090 is a wasteful number, since it uses less digits than its factorization.

214311090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1020546.

The product of its (nonzero) digits is 216, while the sum is 21.

The square root of 214311090 is about 14639.3678142193. The cubic root of 214311090 is about 598.4321008337.

The spelling of 214311090 in words is "two hundred fourteen million, three hundred eleven thousand, ninety".

Divisors: 1 2 3 5 6 7 10 14 15 21 30 35 42 70 105 210 1020529 2041058 3061587 5102645 6123174 7143703 10205290 14287406 15307935 21431109 30615870 35718515 42862218 71437030 107155545 214311090