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345894380 = 2251310211303
BaseRepresentation
bin10100100111011…
…110110111101100
3220002212020212222
4110213132313230
51202022110010
654153414512
711400024266
oct2447366754
9802766788
10345894380
11168280627
1297a0a438
1356879540
1433d1cb36
1520577355
hex149dedec

345894380 has 48 divisors (see below), whose sum is σ = 783620544. Its totient is φ = 127491840.

The previous prime is 345894349. The next prime is 345894383. The reversal of 345894380 is 83498543.

It is not an unprimeable number, because it can be changed into a prime (345894383) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 264809 + ... + 266111.

It is an arithmetic number, because the mean of its divisors is an integer number (16325428).

Almost surely, 2345894380 is an apocalyptic number.

It is an amenable number.

345894380 is an abundant number, since it is smaller than the sum of its proper divisors (437726164).

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

345894380 is a wasteful number, since it uses less digits than its factorization.

345894380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2346 (or 2344 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 44.

The square root of 345894380 is about 18598.2359378517. The cubic root of 345894380 is about 701.9634534806.

The spelling of 345894380 in words is "three hundred forty-five million, eight hundred ninety-four thousand, three hundred eighty".

Divisors: 1 2 4 5 10 13 20 26 52 65 130 260 1021 1303 2042 2606 4084 5105 5212 6515 10210 13030 13273 16939 20420 26060 26546 33878 53092 66365 67756 84695 132730 169390 265460 338780 1330363 2660726 5321452 6651815 13303630 17294719 26607260 34589438 69178876 86473595 172947190 345894380