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345426251 = 1926896761
BaseRepresentation
bin10100100101101…
…100100101001011
3220001222110201212
4110211230211023
51201412120001
654135403335
711363034422
oct2445544513
9801873655
10345426251
11167a90945
129782354b
1356744441
1433c3a2b9
15204d37bb
hex1496c94b

345426251 has 8 divisors (see below), whose sum is σ = 363795600. Its totient is φ = 327075840.

The previous prime is 345426229. The next prime is 345426287. The reversal of 345426251 is 152624543.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-345426251 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (345426751) 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, 47711 + ... + 54471.

It is an arithmetic number, because the mean of its divisors is an integer number (45474450).

Almost surely, 2345426251 is an apocalyptic number.

345426251 is a deficient number, since it is larger than the sum of its proper divisors (18369349).

345426251 is a wasteful number, since it uses less digits than its factorization.

345426251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9469.

The product of its digits is 28800, while the sum is 32.

The square root of 345426251 is about 18585.6463702503. The cubic root of 345426251 is about 701.6466344116.

The spelling of 345426251 in words is "three hundred forty-five million, four hundred twenty-six thousand, two hundred fifty-one".

Divisors: 1 19 2689 6761 51091 128459 18180329 345426251