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542380 = 22547577
BaseRepresentation
bin10000100011010101100
31000120000011
42010122230
5114324010
615343004
74416166
oct2043254
91016004
10542380
11340553
12221a64
1315cb47
14101936
15aaa8a
hex846ac

542380 has 24 divisors (see below), whose sum is σ = 1165248. Its totient is φ = 211968.

The previous prime is 542371. The next prime is 542401. The reversal of 542380 is 83245.

It is an unprimeable number.

542380 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 652 + ... + 1228.

It is an arithmetic number, because the mean of its divisors is an integer number (48552).

2542380 is an apocalyptic number.

It is an amenable number.

542380 is an abundant number, since it is smaller than the sum of its proper divisors (622868).

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

542380 is a wasteful number, since it uses less digits than its factorization.

542380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 633 (or 631 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 542380 is about 736.4645273195. The cubic root of 542380 is about 81.5519886093.

The spelling of 542380 in words is "five hundred forty-two thousand, three hundred eighty".

Divisors: 1 2 4 5 10 20 47 94 188 235 470 577 940 1154 2308 2885 5770 11540 27119 54238 108476 135595 271190 542380