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534874861 = 1439371699
BaseRepresentation
bin11111111000011…
…000101011101101
31101021110110101001
4133320120223231
52043411443421
6125024120301
716153234633
oct3770305355
91337413331
10534874861
11254a17444
1212b166091
1386a75c01
1451073353
1531e56691
hex1fe18aed

534874861 has 4 divisors (see below), whose sum is σ = 535248000. Its totient is φ = 534501724.

The previous prime is 534874841. The next prime is 534874903. The reversal of 534874861 is 168478435.

It is a happy number.

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, and also an emirpimes, since its reverse is a distinct semiprime: 168478435 = 533695687.

It is a cyclic number.

It is not a de Polignac number, because 534874861 - 25 = 534874829 is a prime.

It is a super-2 number, since 2×5348748612 = 572182233859538642, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (534874841) 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, 184411 + ... + 187288.

It is an arithmetic number, because the mean of its divisors is an integer number (133812000).

Almost surely, 2534874861 is an apocalyptic number.

It is an amenable number.

534874861 is a deficient number, since it is larger than the sum of its proper divisors (373139).

534874861 is a wasteful number, since it uses less digits than its factorization.

534874861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 373138.

The product of its digits is 645120, while the sum is 46.

The square root of 534874861 is about 23127.3617388582. The cubic root of 534874861 is about 811.7408380672.

The spelling of 534874861 in words is "five hundred thirty-four million, eight hundred seventy-four thousand, eight hundred sixty-one".

Divisors: 1 1439 371699 534874861