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133024423 = 719003489
BaseRepresentation
bin1111110110111…
…00101010100111
3100021022100012111
413323130222213
5233023240143
621111101451
73203455210
oct773345247
9307270174
10133024423
11690a8244
1238671887
132173729c
141394a407
15ba2999d
hex7edcaa7

133024423 has 4 divisors (see below), whose sum is σ = 152027920. Its totient is φ = 114020928.

The previous prime is 133024417. The next prime is 133024427. The reversal of 133024423 is 324420331.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 133024423 - 29 = 133023911 is a prime.

It is a super-2 number, since 2×1330244232 = 35390994228965858, 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 = 133024394 and 133024403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133024427) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9501738 + ... + 9501751.

It is an arithmetic number, because the mean of its divisors is an integer number (38006980).

Almost surely, 2133024423 is an apocalyptic number.

133024423 is a deficient number, since it is larger than the sum of its proper divisors (19003497).

133024423 is an equidigital number, since it uses as much as digits as its factorization.

133024423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19003496.

The product of its (nonzero) digits is 1728, while the sum is 22.

The square root of 133024423 is about 11533.6214174040. The cubic root of 133024423 is about 510.4781150095.

Adding to 133024423 its reverse (324420331), we get a palindrome (457444754).

The spelling of 133024423 in words is "one hundred thirty-three million, twenty-four thousand, four hundred twenty-three".

Divisors: 1 7 19003489 133024423