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338505797 = 7471028893
BaseRepresentation
bin10100001011010…
…011000001000101
3212120221212122202
4110023103001011
51143124141142
653331204245
711250152240
oct2413230105
9776855582
10338505797
11164094463
1295446685
13551904b6
1432d58257
151eab8032
hex142d3045

338505797 has 8 divisors (see below), whose sum is σ = 395095296. Its totient is φ = 283974192.

The previous prime is 338505781. The next prime is 338505809. The reversal of 338505797 is 797505833.

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 338505797 - 24 = 338505781 is a prime.

It is a super-2 number, since 2×3385057972 = 229172349205210418, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (47).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (338502797) 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, 514118 + ... + 514775.

It is an arithmetic number, because the mean of its divisors is an integer number (49386912).

Almost surely, 2338505797 is an apocalyptic number.

It is an amenable number.

338505797 is a deficient number, since it is larger than the sum of its proper divisors (56589499).

338505797 is a wasteful number, since it uses less digits than its factorization.

338505797 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1028947.

The product of its (nonzero) digits is 793800, while the sum is 47.

The square root of 338505797 is about 18398.5270334340. The cubic root of 338505797 is about 696.9292681823.

The spelling of 338505797 in words is "three hundred thirty-eight million, five hundred five thousand, seven hundred ninety-seven".

Divisors: 1 7 47 329 1028893 7202251 48357971 338505797