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299912340 = 223573131959
BaseRepresentation
bin10001111000000…
…100110010010100
3202220100010101110
4101320010302110
51103234143330
645432055020
710301133000
oct2170046224
9686303343
10299912340
11144324642
1284534470
134a199c30
142bb8d700
151b4e2db0
hex11e04c94

299912340 has 384 divisors, whose sum is σ = 1128960000. Its totient is φ = 58931712.

The previous prime is 299912299. The next prime is 299912381. The reversal of 299912340 is 43219992.

It is an interprime number because it is at equal distance from previous prime (299912299) and next prime (299912381).

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

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 127 ways as a sum of consecutive naturals, for example, 5083231 + ... + 5083289.

It is an arithmetic number, because the mean of its divisors is an integer number (2940000).

Almost surely, 2299912340 is an apocalyptic number.

299912340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 299912340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (564480000).

299912340 is an abundant number, since it is smaller than the sum of its proper divisors (829047660).

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

299912340 is a wasteful number, since it uses less digits than its factorization.

299912340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124 (or 108 counting only the distinct ones).

The product of its (nonzero) digits is 34992, while the sum is 39.

The square root of 299912340 is about 17317.9773645770. The cubic root of 299912340 is about 669.3677409611.

The spelling of 299912340 in words is "two hundred ninety-nine million, nine hundred twelve thousand, three hundred forty".