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14246440 = 2351327397
BaseRepresentation
bin110110010110…
…001000101000
3222210210102221
4312112020220
512121341230
61225203424
7232043545
oct66261050
928723387
1014246440
11805061a
124930574
132c4a660
141c6bbcc
1513b627a
hexd96228

14246440 has 32 divisors (see below), whose sum is σ = 34521480. Its totient is φ = 5260032.

The previous prime is 14246429. The next prime is 14246467. The reversal of 14246440 is 4464241.

It can be written as a sum of positive squares in 4 ways, for example, as 10381284 + 3865156 = 3222^2 + 1966^2 .

It is a super-2 number, since 2×142464402 = 405922105347200, which contains 22 as substring.

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, 13179 + ... + 14218.

Almost surely, 214246440 is an apocalyptic number.

14246440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

14246440 is an abundant number, since it is smaller than the sum of its proper divisors (20275040).

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

14246440 is a wasteful number, since it uses less digits than its factorization.

14246440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27421 (or 27417 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 25.

The square root of 14246440 is about 3774.4456546624. The cubic root of 14246440 is about 242.4201884234.

The spelling of 14246440 in words is "fourteen million, two hundred forty-six thousand, four hundred forty".

Divisors: 1 2 4 5 8 10 13 20 26 40 52 65 104 130 260 520 27397 54794 109588 136985 219176 273970 356161 547940 712322 1095880 1424644 1780805 2849288 3561610 7123220 14246440