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542065836 = 223133793913
BaseRepresentation
bin100000010011110…
…100010010101100
31101202222210112110
4200103310102230
52102232101321
6125442204020
716301324604
oct4023642254
91352883473
10542065836
11258a890a4
12131653610
13883c3020
1451dc5c04
15328c7176
hex204f44ac

542065836 has 48 divisors (see below), whose sum is σ = 1398942944. Its totient is φ = 162279936.

The previous prime is 542065813. The next prime is 542065837. The reversal of 542065836 is 638560245.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a junction number, because it is equal to n+sod(n) for n = 542065794 and 542065803.

It is not an unprimeable number, because it can be changed into a prime (542065837) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41185 + ... + 52728.

Almost surely, 2542065836 is an apocalyptic number.

It is an amenable number.

542065836 is an abundant number, since it is smaller than the sum of its proper divisors (856877108).

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

542065836 is a wasteful number, since it uses less digits than its factorization.

542065836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93970 (or 93968 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 39.

The square root of 542065836 is about 23282.3073598817. The cubic root of 542065836 is about 815.3623972029.

The spelling of 542065836 in words is "five hundred forty-two million, sixty-five thousand, eight hundred thirty-six".

Divisors: 1 2 3 4 6 12 13 26 37 39 52 74 78 111 148 156 222 444 481 962 1443 1924 2886 5772 93913 187826 281739 375652 563478 1126956 1220869 2441738 3474781 3662607 4883476 6949562 7325214 10424343 13899124 14650428 20848686 41697372 45172153 90344306 135516459 180688612 271032918 542065836