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345977000 = 23531033359
BaseRepresentation
bin10100100111110…
…011000010101000
3220010000110012222
4110213303002220
51202032231000
654155253212
711400520205
oct2447630250
9803013188
10345977000
11168327706
1297a4a208
13568a8025
1433d40cac
1520591a85
hex149f30a8

345977000 has 64 divisors (see below), whose sum is σ = 817689600. Its totient is φ = 137006400.

The previous prime is 345976993. The next prime is 345977029. The reversal of 345977000 is 779543.

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 15 ways as a sum of consecutive naturals, for example, 101321 + ... + 104679.

It is an arithmetic number, because the mean of its divisors is an integer number (12776400).

Almost surely, 2345977000 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 345977000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (408844800).

345977000 is an abundant number, since it is smaller than the sum of its proper divisors (471712600).

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

345977000 is a wasteful number, since it uses less digits than its factorization.

345977000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3483 (or 3469 counting only the distinct ones).

The product of its (nonzero) digits is 26460, while the sum is 35.

The square root of 345977000 is about 18600.4569836335. The cubic root of 345977000 is about 702.0193391371.

The spelling of 345977000 in words is "three hundred forty-five million, nine hundred seventy-seven thousand".

Divisors: 1 2 4 5 8 10 20 25 40 50 100 103 125 200 206 250 412 500 515 824 1000 1030 2060 2575 3359 4120 5150 6718 10300 12875 13436 16795 20600 25750 26872 33590 51500 67180 83975 103000 134360 167950 335900 345977 419875 671800 691954 839750 1383908 1679500 1729885 2767816 3359000 3459770 6919540 8649425 13839080 17298850 34597700 43247125 69195400 86494250 172988500 345977000