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14523730 = 2513111721
BaseRepresentation
bin110111011001…
…110101010010
31000022212210221
4313121311102
512204224410
61235143254
7234310144
oct67316522
930285727
1014523730
11821a991
124a44b2a
133016930
141d00c94
15141d4da
hexdd9d52

14523730 has 16 divisors (see below), whose sum is σ = 28153944. Its totient is φ = 5362560.

The previous prime is 14523683. The next prime is 14523737. The reversal of 14523730 is 3732541.

It can be written as a sum of positive squares in 4 ways, for example, as 5239521 + 9284209 = 2289^2 + 3047^2 .

It is a super-2 number, since 2×145237302 = 421877466225800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 14523695 and 14523704.

It is not an unprimeable number, because it can be changed into a prime (14523737) 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, 55731 + ... + 55990.

Almost surely, 214523730 is an apocalyptic number.

14523730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

14523730 is a deficient number, since it is larger than the sum of its proper divisors (13630214).

14523730 is a wasteful number, since it uses less digits than its factorization.

14523730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111741.

The product of its (nonzero) digits is 2520, while the sum is 25.

The square root of 14523730 is about 3811.0011807923. The cubic root of 14523730 is about 243.9828999035.

The spelling of 14523730 in words is "fourteen million, five hundred twenty-three thousand, seven hundred thirty".

Divisors: 1 2 5 10 13 26 65 130 111721 223442 558605 1117210 1452373 2904746 7261865 14523730