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542797901 = 2943435283
BaseRepresentation
bin100000010110100…
…111000001001101
31101211100222201222
4200112213001031
52102424013101
6125510013125
716310464112
oct4026470115
91354328658
10542797901
11259439108
121319471a5
13885bb2b9
1452136909
15329be01b
hex205a704d

542797901 has 8 divisors (see below), whose sum is σ = 574574880. Its totient is φ = 511891632.

The previous prime is 542797889. The next prime is 542797903. The reversal of 542797901 is 109797245.

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 542797901 - 26 = 542797837 is a prime.

It is a super-2 number, since 2×5427979012 = 589259122660011602, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (542797903) 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, 216395 + ... + 218888.

It is an arithmetic number, because the mean of its divisors is an integer number (71821860).

Almost surely, 2542797901 is an apocalyptic number.

It is an amenable number.

542797901 is a deficient number, since it is larger than the sum of its proper divisors (31776979).

542797901 is a wasteful number, since it uses less digits than its factorization.

542797901 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 435355.

The product of its (nonzero) digits is 158760, while the sum is 44.

The square root of 542797901 is about 23298.0235427815. The cubic root of 542797901 is about 815.7292836151.

The spelling of 542797901 in words is "five hundred forty-two million, seven hundred ninety-seven thousand, nine hundred one".

Divisors: 1 29 43 1247 435283 12623207 18717169 542797901