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345889080 = 23325960803
BaseRepresentation
bin10100100111011…
…101100100111000
3220002211222121200
4110213131210320
51202021422310
654153334200
711400002655
oct2447354470
9802758550
10345889080
11168277649
1297a07360
1356876cc4
1433d1ac2c
15205759c0
hex149dd938

345889080 has 48 divisors (see below), whose sum is σ = 1124140680. Its totient is φ = 92236992.

The previous prime is 345889057. The next prime is 345889127. The reversal of 345889080 is 80988543.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 480042 + ... + 480761.

Almost surely, 2345889080 is an apocalyptic number.

345889080 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

345889080 is an abundant number, since it is smaller than the sum of its proper divisors (778251600).

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

345889080 is a wasteful number, since it uses less digits than its factorization.

345889080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 960820 (or 960813 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 45.

The square root of 345889080 is about 18598.0934506739. The cubic root of 345889080 is about 701.9598681614.

The spelling of 345889080 in words is "three hundred forty-five million, eight hundred eighty-nine thousand, eighty".

Divisors: 1 2 3 4 5 6 8 9 10 12 15 18 20 24 30 36 40 45 60 72 90 120 180 360 960803 1921606 2882409 3843212 4804015 5764818 7686424 8647227 9608030 11529636 14412045 17294454 19216060 23059272 28824090 34588908 38432120 43236135 57648180 69177816 86472270 115296360 172944540 345889080