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535428057 = 3178476019
BaseRepresentation
bin11111111010011…
…111101111011001
31101022111120012210
4133322133233121
52044032144212
6125044025333
716161030513
oct3772375731
91338446183
10535428057
1125526502a
1212b392249
1386c0a948
1451178bb3
153201553c
hex1fe9fbd9

535428057 has 4 divisors (see below), whose sum is σ = 713904080. Its totient is φ = 356952036.

The previous prime is 535428043. The next prime is 535428077. The reversal of 535428057 is 750824535.

It can be divided in two parts, 5354 and 28057, that added together give a triangular number (33411 = T258).

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 not a de Polignac number, because 535428057 - 24 = 535428041 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (535428077) 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, 89238007 + ... + 89238012.

It is an arithmetic number, because the mean of its divisors is an integer number (178476020).

Almost surely, 2535428057 is an apocalyptic number.

It is an amenable number.

535428057 is a deficient number, since it is larger than the sum of its proper divisors (178476023).

535428057 is a wasteful number, since it uses less digits than its factorization.

535428057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178476022.

The product of its (nonzero) digits is 168000, while the sum is 39.

The square root of 535428057 is about 23139.3184212500. The cubic root of 535428057 is about 812.0205901458.

The spelling of 535428057 in words is "five hundred thirty-five million, four hundred twenty-eight thousand, fifty-seven".

Divisors: 1 3 178476019 535428057