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542079538 = 2711131914251
BaseRepresentation
bin100000010011110…
…111101000110010
31101210000111022221
4200103313220302
52102233021123
6125442351254
716301412550
oct4023675062
91353014287
10542079538
11258a98420
1213165b52a
13883c9330
1451dcabd0
15328cb25d
hex204f7a32

542079538 has 64 divisors (see below), whose sum is σ = 1149281280. Its totient is φ = 184680000.

The previous prime is 542079521. The next prime is 542079569. The reversal of 542079538 is 835970245.

It is a junction number, because it is equal to n+sod(n) for n = 542079494 and 542079503.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 30913 + ... + 45163.

It is an arithmetic number, because the mean of its divisors is an integer number (17957520).

Almost surely, 2542079538 is an apocalyptic number.

542079538 is an abundant number, since it is smaller than the sum of its proper divisors (607201742).

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

542079538 is a wasteful number, since it uses less digits than its factorization.

542079538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14303.

The product of its (nonzero) digits is 302400, while the sum is 43.

The square root of 542079538 is about 23282.6016157989. The cubic root of 542079538 is about 815.3692672180.

The spelling of 542079538 in words is "five hundred forty-two million, seventy-nine thousand, five hundred thirty-eight".

Divisors: 1 2 7 11 13 14 19 22 26 38 77 91 133 143 154 182 209 247 266 286 418 494 1001 1463 1729 2002 2717 2926 3458 5434 14251 19019 28502 38038 99757 156761 185263 199514 270769 313522 370526 541538 1097327 1296841 1895383 2037893 2194654 2593682 2978459 3519997 3790766 4075786 5956918 7039994 14265251 20849213 24639979 28530502 38719967 41698426 49279958 77439934 271039769 542079538