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542345401 = 1397742701
BaseRepresentation
bin100000010100111…
…000100010111001
31101210112000000201
4200110320202321
52102320023101
6125452202201
716303600633
oct4024704271
91353460021
10542345401
1125915a144
12131769361
1388490350
1452059a53
153292ee01
hex205388b9

542345401 has 8 divisors (see below), whose sum is σ = 584675784. Its totient is φ = 500102400.

The previous prime is 542345399. The next prime is 542345411. The reversal of 542345401 is 104543245.

It can be written as a sum of positive squares in 4 ways, for example, as 240281001 + 302064400 = 15501^2 + 17380^2 .

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 542345401 - 21 = 542345399 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 542345401.

It is not an unprimeable number, because it can be changed into a prime (542345411) 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, 8650 + ... + 34051.

It is an arithmetic number, because the mean of its divisors is an integer number (73084473).

Almost surely, 2542345401 is an apocalyptic number.

It is an amenable number.

542345401 is a deficient number, since it is larger than the sum of its proper divisors (42330383).

542345401 is a wasteful number, since it uses less digits than its factorization.

542345401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43691.

The product of its (nonzero) digits is 9600, while the sum is 28.

The square root of 542345401 is about 23288.3103938435. The cubic root of 542345401 is about 815.5025447628.

Adding to 542345401 its reverse (104543245), we get a palindrome (646888646).

The spelling of 542345401 in words is "five hundred forty-two million, three hundred forty-five thousand, four hundred one".

Divisors: 1 13 977 12701 42701 555113 41718877 542345401