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348083649 = 366912
BaseRepresentation
bin10100101111110…
…101010111000001
3220020222111000000
4110233311113001
51203102134044
654312350213
711424443064
oct2457652701
9806874000
10348083649
11169536441
12986a5369
1357164b74
143432c8db
152085ad69
hex14bf55c1

348083649 has 21 divisors (see below), whose sum is σ = 522643089. Its totient is φ = 231719940.

The previous prime is 348083623. The next prime is 348083651. The reversal of 348083649 is 946380843.

The square root of 348083649 is 18657.

It is a perfect power (a square), and thus also a powerful number.

It is not a de Polignac number, because 348083649 - 27 = 348083521 is a prime.

It is not an unprimeable number, because it can be changed into a prime (348083689) by changing a digit.

It is a polite number, since it can be written in 20 ways as a sum of consecutive naturals, for example, 503394 + ... + 504084.

Almost surely, 2348083649 is an apocalyptic number.

348083649 is the 18657-th square number.

348083649 is the 9329-th centered octagonal number.

It is an amenable number.

348083649 is a deficient number, since it is larger than the sum of its proper divisors (174559440).

348083649 is an frugal number, since it uses more digits than its factorization.

348083649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1400 (or 694 counting only the distinct ones).

The product of its (nonzero) digits is 497664, while the sum is 45.

The cubic root of 348083649 is about 703.4413187945.

The spelling of 348083649 in words is "three hundred forty-eight million, eighty-three thousand, six hundred forty-nine".

Divisors: 1 3 9 27 81 243 691 729 2073 6219 18657 55971 167913 477481 503739 1432443 4297329 12891987 38675961 116027883 348083649