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542479770 = 23257861079
BaseRepresentation
bin100000010101011…
…001010110011010
31101210202211100100
4200111121112122
52102333323040
6125455120230
716305000450
oct4025312632
91353684310
10542479770
11259241098
12131813076
1388509561
14520929d0
1532959b30
hex2055959a

542479770 has 48 divisors (see below), whose sum is σ = 1611941760. Its totient is φ = 123995232.

The previous prime is 542479739. The next prime is 542479799. The reversal of 542479770 is 77974245.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 429910 + ... + 431169.

It is an arithmetic number, because the mean of its divisors is an integer number (33582120).

Almost surely, 2542479770 is an apocalyptic number.

542479770 is an abundant number, since it is smaller than the sum of its proper divisors (1069461990).

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

542479770 is a wasteful number, since it uses less digits than its factorization.

542479770 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 861099 (or 861096 counting only the distinct ones).

The product of its (nonzero) digits is 493920, while the sum is 45.

The square root of 542479770 is about 23291.1951174687. The cubic root of 542479770 is about 815.5698875871.

The spelling of 542479770 in words is "five hundred forty-two million, four hundred seventy-nine thousand, seven hundred seventy".

Divisors: 1 2 3 5 6 7 9 10 14 15 18 21 30 35 42 45 63 70 90 105 126 210 315 630 861079 1722158 2583237 4305395 5166474 6027553 7749711 8610790 12055106 12916185 15499422 18082659 25832370 30137765 36165318 38748555 54247977 60275530 77497110 90413295 108495954 180826590 271239885 542479770