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542564045 = 5293741821
BaseRepresentation
bin100000010101101…
…101111011001101
31101210221002221122
4200111231323031
52102344022140
6125501010325
716305501242
oct4025557315
91353832848
10542564045
11259299441
121318539a5
1388538a1a
14520b55c9
1532974ab5
hex2056decd

542564045 has 8 divisors (see below), whose sum is σ = 673527960. Its totient is φ = 419083840.

The previous prime is 542564039. The next prime is 542564047. The reversal of 542564045 is 540465245.

It can be written as a sum of positive squares in 4 ways, for example, as 196 + 542563849 = 14^2 + 23293^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2k-542564045 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 542563996 and 542564014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (542564047) 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, 1870766 + ... + 1871055.

It is an arithmetic number, because the mean of its divisors is an integer number (84190995).

Almost surely, 2542564045 is an apocalyptic number.

It is an amenable number.

542564045 is a deficient number, since it is larger than the sum of its proper divisors (130963915).

542564045 is a wasteful number, since it uses less digits than its factorization.

542564045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3741855.

The product of its (nonzero) digits is 96000, while the sum is 35.

The square root of 542564045 is about 23293.0042072722. The cubic root of 542564045 is about 815.6121187124.

The spelling of 542564045 in words is "five hundred forty-two million, five hundred sixty-four thousand, forty-five".

Divisors: 1 5 29 145 3741821 18709105 108512809 542564045