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442241442 = 23237396571
BaseRepresentation
bin11010010111000…
…001000110100010
31010211011012012200
4122113001012202
51401203211232
6111514434030
713646663436
oct3227010642
91124135180
10442241442
112076a75a5
12104132916
1370811436
1442a3c9c6
1528c5977c
hex1a5c11a2

442241442 has 24 divisors (see below), whose sum is σ = 958591920. Its totient is φ = 147351960.

The previous prime is 442241419. The next prime is 442241461. The reversal of 442241442 is 244142244.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 64017 + ... + 70587.

It is an arithmetic number, because the mean of its divisors is an integer number (39941330).

Almost surely, 2442241442 is an apocalyptic number.

442241442 is an abundant number, since it is smaller than the sum of its proper divisors (516350478).

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

442241442 is a wasteful number, since it uses less digits than its factorization.

442241442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10318 (or 10315 counting only the distinct ones).

The product of its digits is 8192, while the sum is 27.

The square root of 442241442 is about 21029.5373700897. The cubic root of 442241442 is about 761.8798351444.

Adding to 442241442 its reverse (244142244), we get a palindrome (686383686).

The spelling of 442241442 in words is "four hundred forty-two million, two hundred forty-one thousand, four hundred forty-two".

Divisors: 1 2 3 6 9 18 3739 6571 7478 11217 13142 19713 22434 33651 39426 59139 67302 118278 24568969 49137938 73706907 147413814 221120721 442241442