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542400317 = 1731905901
BaseRepresentation
bin100000010101000…
…101111100111101
31101210121210100122
4200111011330331
52102323302232
6125453304325
716304220014
oct4025057475
91353553318
10542400317
11259197428
121317950a5
13884ac344
1452071a7b
1532941312
hex20545f3d

542400317 has 4 divisors (see below), whose sum is σ = 574306236. Its totient is φ = 510494400.

The previous prime is 542400301. The next prime is 542400337. The reversal of 542400317 is 713004245.

542400317 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 184660921 + 357739396 = 13589^2 + 18914^2 .

It is a cyclic number.

It is not a de Polignac number, because 542400317 - 24 = 542400301 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (542400337) 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, 15952934 + ... + 15952967.

It is an arithmetic number, because the mean of its divisors is an integer number (143576559).

Almost surely, 2542400317 is an apocalyptic number.

It is an amenable number.

542400317 is a deficient number, since it is larger than the sum of its proper divisors (31905919).

542400317 is a wasteful number, since it uses less digits than its factorization.

542400317 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31905918.

The product of its (nonzero) digits is 3360, while the sum is 26.

The square root of 542400317 is about 23289.4894104615. The cubic root of 542400317 is about 815.5300688131.

The spelling of 542400317 in words is "five hundred forty-two million, four hundred thousand, three hundred seventeen".

Divisors: 1 17 31905901 542400317