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442236216 = 23318779817
BaseRepresentation
bin11010010110111…
…111110100111000
31010211010221001010
4122112333310320
51401203024331
6111514353520
713646642262
oct3226776470
91124127033
10442236216
112076a3684
1210412b8a0
137080bc46
1442a3ab32
1528c57e46
hex1a5bfd38

442236216 has 32 divisors (see below), whose sum is σ = 1106292240. Its totient is φ = 147318528.

The previous prime is 442236199. The next prime is 442236227. The reversal of 442236216 is 612632244.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40140 + ... + 49956.

Almost surely, 2442236216 is an apocalyptic number.

It is an amenable number.

442236216 is an abundant number, since it is smaller than the sum of its proper divisors (664056024).

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

442236216 is a wasteful number, since it uses less digits than its factorization.

442236216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11703 (or 11699 counting only the distinct ones).

The product of its digits is 13824, while the sum is 30.

The square root of 442236216 is about 21029.4131159193. The cubic root of 442236216 is about 761.8768340691.

The spelling of 442236216 in words is "four hundred forty-two million, two hundred thirty-six thousand, two hundred sixteen".

Divisors: 1 2 3 4 6 8 12 24 1877 3754 5631 7508 9817 11262 15016 19634 22524 29451 39268 45048 58902 78536 117804 235608 18426509 36853018 55279527 73706036 110559054 147412072 221118108 442236216