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542890590 = 235111645123
BaseRepresentation
bin100000010110111…
…101101001011110
31101211112200212220
4200112331221132
52102434444330
6125512010210
716311331254
oct4026755136
91354480786
10542890590
112594a1810
12131990966
1388621548
145215c5d4
15329db710
hex205bda5e

542890590 has 32 divisors (see below), whose sum is σ = 1421387136. Its totient is φ = 131609760.

The previous prime is 542890573. The next prime is 542890613. The reversal of 542890590 is 95098245.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 822232 + ... + 822891.

It is an arithmetic number, because the mean of its divisors is an integer number (44418348).

Almost surely, 2542890590 is an apocalyptic number.

542890590 is an abundant number, since it is smaller than the sum of its proper divisors (878496546).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

542890590 is a wasteful number, since it uses less digits than its factorization.

542890590 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1645144.

The product of its (nonzero) digits is 129600, while the sum is 42.

The square root of 542890590 is about 23300.0126609408. The cubic root of 542890590 is about 815.7757126992.

The spelling of 542890590 in words is "five hundred forty-two million, eight hundred ninety thousand, five hundred ninety".

Divisors: 1 2 3 5 6 10 11 15 22 30 33 55 66 110 165 330 1645123 3290246 4935369 8225615 9870738 16451230 18096353 24676845 36192706 49353690 54289059 90481765 108578118 180963530 271445295 542890590