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442200254 = 22325138299
BaseRepresentation
bin11010010110110…
…111000010111110
31010211002002201012
4122112313002332
51401200402004
6111513515222
713646432366
oct3226670276
91124062635
10442200254
11207679661
12104112b12
13707c8772
1442a2b9a6
1528c4c46e
hex1a5b70be

442200254 has 16 divisors (see below), whose sum is σ = 694915200. Its totient is φ = 210639000.

The previous prime is 442200251. The next prime is 442200271. The reversal of 442200254 is 452002244.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (442200251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7604 + ... + 30695.

It is an arithmetic number, because the mean of its divisors is an integer number (43432200).

Almost surely, 2442200254 is an apocalyptic number.

442200254 is a deficient number, since it is larger than the sum of its proper divisors (252714946).

442200254 is a wasteful number, since it uses less digits than its factorization.

442200254 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38575.

The product of its (nonzero) digits is 2560, while the sum is 23.

The square root of 442200254 is about 21028.5580580315. The cubic root of 442200254 is about 761.8561819406.

Adding to 442200254 its reverse (452002244), we get a palindrome (894202498).

The spelling of 442200254 in words is "four hundred forty-two million, two hundred thousand, two hundred fifty-four".

Divisors: 1 2 23 46 251 502 5773 11546 38299 76598 880877 1761754 9613049 19226098 221100127 442200254