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142323349 = 737549511
BaseRepresentation
bin10000111101110…
…10111010010101
3100220210202221011
420132322322111
5242413321344
622042252221
73345504610
oct1036727225
9326722834
10142323349
1173379703
123b7b7071
13236419cc
1414c8b177
15c764d34
hex87bae95

142323349 has 8 divisors (see below), whose sum is σ = 167051648. Its totient is φ = 118694160.

The previous prime is 142323323. The next prime is 142323353. The reversal of 142323349 is 943323241.

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 142323349 - 25 = 142323317 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 142323349.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142323749) 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, 274497 + ... + 275014.

It is an arithmetic number, because the mean of its divisors is an integer number (20881456).

Almost surely, 2142323349 is an apocalyptic number.

It is an amenable number.

142323349 is a deficient number, since it is larger than the sum of its proper divisors (24728299).

142323349 is an equidigital number, since it uses as much as digits as its factorization.

142323349 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 549555.

The product of its digits is 15552, while the sum is 31.

The square root of 142323349 is about 11929.9349956318. The cubic root of 142323349 is about 522.1060409536.

The spelling of 142323349 in words is "one hundred forty-two million, three hundred twenty-three thousand, three hundred forty-nine".

Divisors: 1 7 37 259 549511 3846577 20331907 142323349