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14871402 = 23272131297
BaseRepresentation
bin111000101110…
…101101101010
31000222112201200
4320232231222
512301341102
61250425030
7240255600
oct70565552
930875650
1014871402
118438117
124b92176
133108c60
141d91870
15148b51c
hexe2eb6a

14871402 has 72 divisors (see below), whose sum is σ = 40396356. Its totient is φ = 3919104.

The previous prime is 14871391. The next prime is 14871407. The reversal of 14871402 is 20417841.

It can be written as a sum of positive squares in 2 ways, for example, as 14447601 + 423801 = 3801^2 + 651^2 .

It is not an unprimeable number, because it can be changed into a prime (14871407) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 10818 + ... + 12114.

Almost surely, 214871402 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 14871402, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20198178).

14871402 is an abundant number, since it is smaller than the sum of its proper divisors (25524954).

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

14871402 is a wasteful number, since it uses less digits than its factorization.

14871402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1332 (or 1322 counting only the distinct ones).

The product of its (nonzero) digits is 1792, while the sum is 27.

The square root of 14871402 is about 3856.3456795261. The cubic root of 14871402 is about 245.9144060733.

The spelling of 14871402 in words is "fourteen million, eight hundred seventy-one thousand, four hundred two".

Divisors: 1 2 3 6 7 9 13 14 18 21 26 39 42 49 63 78 91 98 117 126 147 182 234 273 294 441 546 637 819 882 1274 1297 1638 1911 2594 3822 3891 5733 7782 9079 11466 11673 16861 18158 23346 27237 33722 50583 54474 63553 81711 101166 118027 127106 151749 163422 190659 236054 303498 354081 381318 571977 708162 826189 1062243 1143954 1652378 2124486 2478567 4957134 7435701 14871402