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20343010 = 254743283
BaseRepresentation
bin100110110011…
…0100011100010
31102021112100211
41031212203202
520201434020
62004004334
7334625032
oct115464342
942245324
1020343010
1110535006
1269906aa
1342a35ac
1429b78c2
151bbc85a
hex13668e2

20343010 has 16 divisors (see below), whose sum is σ = 37397376. Its totient is φ = 7963888.

The previous prime is 20342981. The next prime is 20343019. The reversal of 20343010 is 1034302.

It is not an unprimeable number, because it can be changed into a prime (20343019) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21172 + ... + 22111.

It is an arithmetic number, because the mean of its divisors is an integer number (2337336).

Almost surely, 220343010 is an apocalyptic number.

20343010 is a deficient number, since it is larger than the sum of its proper divisors (17054366).

20343010 is a wasteful number, since it uses less digits than its factorization.

20343010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43337.

The product of its (nonzero) digits is 72, while the sum is 13.

The square root of 20343010 is about 4510.3226048699. The cubic root of 20343010 is about 272.9847612331.

Adding to 20343010 its reverse (1034302), we get a palindrome (21377312).

The spelling of 20343010 in words is "twenty million, three hundred forty-three thousand, ten".

Divisors: 1 2 5 10 47 94 235 470 43283 86566 216415 432830 2034301 4068602 10171505 20343010