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14347890 = 2325159421
BaseRepresentation
bin110110101110…
…111001110010
3222222221121100
4312232321302
512133113030
61231305230
7232645404
oct66567162
928887540
1014347890
11810a867
12497b216
132c8489b
141c96b74
1513d6360
hexdaee72

14347890 has 24 divisors (see below), whose sum is σ = 37304748. Its totient is φ = 3826080.

The previous prime is 14347841. The next prime is 14347891. The reversal of 14347890 is 9874341.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 14220441 + 127449 = 3771^2 + 357^2 .

It is an alternating number because its digits alternate between odd and even.

It is not an unprimeable number, because it can be changed into a prime (14347891) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 79621 + ... + 79800.

Almost surely, 214347890 is an apocalyptic number.

14347890 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

14347890 is an abundant number, since it is smaller than the sum of its proper divisors (22956858).

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

14347890 is a wasteful number, since it uses less digits than its factorization.

14347890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159434 (or 159431 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The square root of 14347890 is about 3787.8608738970. The cubic root of 14347890 is about 242.9942588696.

The spelling of 14347890 in words is "fourteen million, three hundred forty-seven thousand, eight hundred ninety".

Divisors: 1 2 3 5 6 9 10 15 18 30 45 90 159421 318842 478263 797105 956526 1434789 1594210 2391315 2869578 4782630 7173945 14347890