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348308969 = 1918332051
BaseRepresentation
bin10100110000101…
…100010111101001
3220021101221002012
4110300230113221
51203131341334
654321245305
711426402021
oct2460542751
9807357065
10348308969
1116967a758
1298793835
13572135a8
143438aa81
15208a29ce
hex14c2c5e9

348308969 has 4 divisors (see below), whose sum is σ = 366641040. Its totient is φ = 329976900.

The previous prime is 348308953. The next prime is 348308977. The reversal of 348308969 is 969803843.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 348308969 - 24 = 348308953 is a prime.

It is a super-2 number, since 2×3483089692 = 242638275771685922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (348304969) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9166007 + ... + 9166044.

It is an arithmetic number, because the mean of its divisors is an integer number (91660260).

Almost surely, 2348308969 is an apocalyptic number.

It is an amenable number.

348308969 is a deficient number, since it is larger than the sum of its proper divisors (18332071).

348308969 is a wasteful number, since it uses less digits than its factorization.

348308969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18332070.

The product of its (nonzero) digits is 1119744, while the sum is 50.

The square root of 348308969 is about 18663.0375073298. The cubic root of 348308969 is about 703.5930689184.

The spelling of 348308969 in words is "three hundred forty-eight million, three hundred eight thousand, nine hundred sixty-nine".

Divisors: 1 19 18332051 348308969