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243132029 = 760757221
BaseRepresentation
bin11100111110111…
…10011001111101
3121221111101102222
432133132121331
5444220211104
640043055125
76011405510
oct1637363175
9557441388
10243132029
11115272768
12695114a5
133b4a960a
142440cd77
15165291be
hexe7de67d

243132029 has 8 divisors (see below), whose sum is σ = 278327808. Its totient is φ = 208051920.

The previous prime is 243132013. The next prime is 243132047. The reversal of 243132029 is 920231342.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 243132029 - 24 = 243132013 is a prime.

It is a super-2 number, since 2×2431320292 = 118226367051313682, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 243131989 and 243132007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243132089) 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, 24362 + ... + 32859.

It is an arithmetic number, because the mean of its divisors is an integer number (34790976).

Almost surely, 2243132029 is an apocalyptic number.

It is an amenable number.

243132029 is a deficient number, since it is larger than the sum of its proper divisors (35195779).

243132029 is an equidigital number, since it uses as much as digits as its factorization.

243132029 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57835.

The product of its (nonzero) digits is 2592, while the sum is 26.

The square root of 243132029 is about 15592.6915251986. The cubic root of 243132029 is about 624.1381434850.

The spelling of 243132029 in words is "two hundred forty-three million, one hundred thirty-two thousand, twenty-nine".

Divisors: 1 7 607 4249 57221 400547 34733147 243132029