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345248969 = 1375135363
BaseRepresentation
bin10100100101000…
…001010011001001
3220001122110112212
4110211001103021
51201340431334
654131514505
711361365522
oct2445012311
9801573485
10345248969
1116797a72a
1297758a35
13566b1840
1433bd1849
152049aece
hex149414c9

345248969 has 8 divisors (see below), whose sum is σ = 372312192. Its totient is φ = 318258000.

The previous prime is 345248957. The next prime is 345248989. The reversal of 345248969 is 969842543.

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 345248969 - 28 = 345248713 is a prime.

It is a super-2 number, since 2×3452489692 = 238393701191125922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (345248989) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7919 + ... + 27444.

It is an arithmetic number, because the mean of its divisors is an integer number (46539024).

Almost surely, 2345248969 is an apocalyptic number.

It is an amenable number.

345248969 is a deficient number, since it is larger than the sum of its proper divisors (27063223).

345248969 is a wasteful number, since it uses less digits than its factorization.

345248969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36127.

The product of its digits is 1866240, while the sum is 50.

The square root of 345248969 is about 18580.8764325045. The cubic root of 345248969 is about 701.5265792582.

The spelling of 345248969 in words is "three hundred forty-five million, two hundred forty-eight thousand, nine hundred sixty-nine".

Divisors: 1 13 751 9763 35363 459719 26557613 345248969