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345419808 = 25311293187
BaseRepresentation
bin10100100101101…
…011000000100000
3220001222010220020
4110211223000200
51201411413213
654135313440
711363006556
oct2445530040
9801863806
10345419808
11167a87018
129781b880
1356741526
1433c37bd6
15204d1923
hex1496b020

345419808 has 48 divisors (see below), whose sum is σ = 907814880. Its totient is φ = 115001856.

The previous prime is 345419803. The next prime is 345419839. The reversal of 345419808 is 808914543.

It is a tau number, because it is divible by the number of its divisors (48).

It is a self number, because there is not a number n which added to its sum of digits gives 345419808.

It is not an unprimeable number, because it can be changed into a prime (345419803) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 106791 + ... + 109977.

It is an arithmetic number, because the mean of its divisors is an integer number (18912810).

Almost surely, 2345419808 is an apocalyptic number.

It is an amenable number.

345419808 is an abundant number, since it is smaller than the sum of its proper divisors (562395072).

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

345419808 is a wasteful number, since it uses less digits than its factorization.

345419808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4329 (or 4321 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 42.

The square root of 345419808 is about 18585.4730367564. The cubic root of 345419808 is about 701.6422719393.

The spelling of 345419808 in words is "three hundred forty-five million, four hundred nineteen thousand, eight hundred eight".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 96 1129 2258 3187 3387 4516 6374 6774 9032 9561 12748 13548 18064 19122 25496 27096 36128 38244 50992 54192 76488 101984 108384 152976 305952 3598123 7196246 10794369 14392492 21588738 28784984 43177476 57569968 86354952 115139936 172709904 345419808