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534778049 = 13317129769
BaseRepresentation
bin11111111000000…
…001000011000001
31101021021112120102
4133320001003001
52043400344144
6125022052145
716152352451
oct3770010301
91337245512
10534778049
11254960733
1212b11a055
1386a40b20
1451049d61
1531e37b4e
hex1fe010c1

534778049 has 8 divisors (see below), whose sum is σ = 577736040. Its totient is φ = 492080256.

The previous prime is 534778043. The next prime is 534778081. The reversal of 534778049 is 940877435.

It can be written as a sum of positive squares in 4 ways, for example, as 41049649 + 493728400 = 6407^2 + 22220^2 .

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-534778049 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 534777994 and 534778012.

It is not an unprimeable number, because it can be changed into a prime (534778043) 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, 60764 + ... + 69005.

It is an arithmetic number, because the mean of its divisors is an integer number (72217005).

Almost surely, 2534778049 is an apocalyptic number.

It is an amenable number.

534778049 is a deficient number, since it is larger than the sum of its proper divisors (42957991).

534778049 is a wasteful number, since it uses less digits than its factorization.

534778049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130099.

The product of its (nonzero) digits is 846720, while the sum is 47.

The square root of 534778049 is about 23125.2686254668. The cubic root of 534778049 is about 811.6918602585.

The spelling of 534778049 in words is "five hundred thirty-four million, seven hundred seventy-eight thousand, forty-nine".

Divisors: 1 13 317 4121 129769 1686997 41136773 534778049