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345028697 = 13145918191
BaseRepresentation
bin10100100100001…
…011100001011001
3220001020021101122
4110210023201121
51201311404242
654123055025
711356460366
oct2444134131
9801207348
10345028697
1116783a192
1297671475
13566354c0
1433b7546d
1520455ad2
hex1490b859

345028697 has 8 divisors (see below), whose sum is σ = 371844480. Its totient is φ = 318252240.

The previous prime is 345028661. The next prime is 345028711. The reversal of 345028697 is 796820543.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 345028697 - 26 = 345028633 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (345028097) 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, 9872 + ... + 28062.

It is an arithmetic number, because the mean of its divisors is an integer number (46480560).

Almost surely, 2345028697 is an apocalyptic number.

It is an amenable number.

345028697 is a deficient number, since it is larger than the sum of its proper divisors (26815783).

345028697 is a wasteful number, since it uses less digits than its factorization.

345028697 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19663.

The product of its (nonzero) digits is 362880, while the sum is 44.

The square root of 345028697 is about 18574.9481022155. The cubic root of 345028697 is about 701.3773540600.

The spelling of 345028697 in words is "three hundred forty-five million, twenty-eight thousand, six hundred ninety-seven".

Divisors: 1 13 1459 18191 18967 236483 26540669 345028697