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345852030 = 23553217517
BaseRepresentation
bin10100100111010…
…100100001111110
3220002210002210110
4110213110201332
51202014231110
654152450450
711366456646
oct2447244176
9802702713
10345852030
11168251827
12979a9a26
1356863194
1433d0b526
1520569a20
hex149d487e

345852030 has 32 divisors (see below), whose sum is σ = 845709984. Its totient is φ = 90486656.

The previous prime is 345852007. The next prime is 345852077. The reversal of 345852030 is 30258543.

It is a super-2 number, since 2×3458520302 = 239227253310241800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 107169 + ... + 110348.

It is an arithmetic number, because the mean of its divisors is an integer number (26428437).

Almost surely, 2345852030 is an apocalyptic number.

345852030 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

345852030 is an abundant number, since it is smaller than the sum of its proper divisors (499857954).

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

345852030 is a wasteful number, since it uses less digits than its factorization.

345852030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 217580.

The product of its (nonzero) digits is 14400, while the sum is 30.

The square root of 345852030 is about 18597.0973541572. The cubic root of 345852030 is about 701.9348037277.

The spelling of 345852030 in words is "three hundred forty-five million, eight hundred fifty-two thousand, thirty".

Divisors: 1 2 3 5 6 10 15 30 53 106 159 265 318 530 795 1590 217517 435034 652551 1087585 1305102 2175170 3262755 6525510 11528401 23056802 34585203 57642005 69170406 115284010 172926015 345852030