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542050145 = 57131962701
BaseRepresentation
bin100000010011110…
…000011101100001
31101202222000000022
4200103300131201
52102231101040
6125442003225
716301231060
oct4023603541
91352860008
10542050145
11258a7832a
12131646515
13883b8b40
1451dc01d7
15328c26b5
hex204f0761

542050145 has 32 divisors (see below), whose sum is σ = 842714880. Its totient is φ = 325036800.

The previous prime is 542050141. The next prime is 542050147. The reversal of 542050145 is 541050245.

It is not a de Polignac number, because 542050145 - 22 = 542050141 is a prime.

It is not an unprimeable number, because it can be changed into a prime (542050141) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 22706 + ... + 39995.

It is an arithmetic number, because the mean of its divisors is an integer number (26334840).

Almost surely, 2542050145 is an apocalyptic number.

It is an amenable number.

542050145 is a deficient number, since it is larger than the sum of its proper divisors (300664735).

542050145 is a wasteful number, since it uses less digits than its factorization.

542050145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62745.

The product of its (nonzero) digits is 4000, while the sum is 26.

The square root of 542050145 is about 23281.9703848278. The cubic root of 542050145 is about 815.3545297854.

The spelling of 542050145 in words is "five hundred forty-two million, fifty thousand, one hundred forty-five".

Divisors: 1 5 7 13 19 35 65 91 95 133 247 455 665 1235 1729 8645 62701 313505 438907 815113 1191319 2194535 4075565 5705791 5956595 8339233 15487147 28528955 41696165 77435735 108410029 542050145