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442769282 = 2148792
BaseRepresentation
bin11010011001000…
…001111110000010
31010212011000021022
4122121001332002
51401322104112
6111534025442
713654322354
oct3231017602
91125130238
10442769282
11207a2812a
12104348282
1370967777
1442b390d4
1528d10d72
hex1a641f82

442769282 has 6 divisors (see below), whose sum is σ = 664198563. Its totient is φ = 221369762.

The previous prime is 442769279. The next prime is 442769333. The reversal of 442769282 is 282967244.

It can be written as a sum of positive squares in only one way, i.e., 221384641 + 221384641 = 14879^2 + 14879^2 .

It is an ABA number since it can be written as A⋅BA, here for A=2, B=14879.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 22319 + ... + 37197.

Almost surely, 2442769282 is an apocalyptic number.

442769282 is a deficient number, since it is larger than the sum of its proper divisors (221429281).

442769282 is an frugal number, since it uses more digits than its factorization.

442769282 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29760 (or 14881 counting only the distinct ones).

The product of its digits is 387072, while the sum is 44.

The square root of 442769282 is about 21042.0835945493. The cubic root of 442769282 is about 762.1828300876.

The spelling of 442769282 in words is "four hundred forty-two million, seven hundred sixty-nine thousand, two hundred eighty-two".

Divisors: 1 2 14879 29758 221384641 442769282