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2254243430 = 253120833491
BaseRepresentation
bin1000011001011101…
…0000011001100110
312211002202102122102
42012113100121212
514104041242210
61011404132102
7106601516165
oct20627203146
95732672572
102254243430
11a575094aa
1252ab37032
1329c04436a
1417555b3dc
15d2d83ea5
hex865d0666

2254243430 has 32 divisors (see below), whose sum is σ = 4191740928. Its totient is φ = 871941600.

The previous prime is 2254243379. The next prime is 2254243447. The reversal of 2254243430 is 343424522.

It is a happy number.

It is a super-2 number, since 2×22542434302 = 10163226883396329800, which contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2254243393 and 2254243402.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 643985 + ... + 647475.

It is an arithmetic number, because the mean of its divisors is an integer number (130991904).

Almost surely, 22254243430 is an apocalyptic number.

2254243430 is a deficient number, since it is larger than the sum of its proper divisors (1937497498).

2254243430 is a wasteful number, since it uses less digits than its factorization.

2254243430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5612.

The product of its (nonzero) digits is 23040, while the sum is 29.

The square root of 2254243430 is about 47478.8735123318. The cubic root of 2254243430 is about 1311.1939525656.

Adding to 2254243430 its reverse (343424522), we get a palindrome (2597667952).

The spelling of 2254243430 in words is "two billion, two hundred fifty-four million, two hundred forty-three thousand, four hundred thirty".

Divisors: 1 2 5 10 31 62 155 310 2083 3491 4166 6982 10415 17455 20830 34910 64573 108221 129146 216442 322865 541105 645730 1082210 7271753 14543506 36358765 72717530 225424343 450848686 1127121715 2254243430