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542412291 = 31447124951
BaseRepresentation
bin100000010101001…
…000111000000011
31101210122101210010
4200111020320003
52102324143131
6125453440003
716304266641
oct4025107003
91353571703
10542412291
112591a5423
121317a0003
13884b4925
1452076191
1532944b46
hex20548e03

542412291 has 8 divisors (see below), whose sum is σ = 723721984. Its totient is φ = 361355400.

The previous prime is 542412257. The next prime is 542412307. The reversal of 542412291 is 192214245.

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

It is not a de Polignac number, because 542412291 - 27 = 542412163 is a prime.

It is a super-2 number, since 2×5424122912 = 588422186855737362, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (542412691) 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, 58135 + ... + 66816.

It is an arithmetic number, because the mean of its divisors is an integer number (90465248).

Almost surely, 2542412291 is an apocalyptic number.

542412291 is a deficient number, since it is larger than the sum of its proper divisors (181309693).

542412291 is a wasteful number, since it uses less digits than its factorization.

542412291 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126401.

The product of its digits is 5760, while the sum is 30.

The square root of 542412291 is about 23289.7464777958. The cubic root of 542412291 is about 815.5360699682.

The spelling of 542412291 in words is "five hundred forty-two million, four hundred twelve thousand, two hundred ninety-one".

Divisors: 1 3 1447 4341 124951 374853 180804097 542412291