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1355043423 = 3895075069
BaseRepresentation
bin101000011000100…
…0101001001011111
310111102202100010110
41100301011021133
510233342342143
6342243141103
745402451626
oct12061051137
93442670113
101355043423
116359831a8
12319974793
1318796ab56
14cbd6c6bd
157de64533
hex50c4525f

1355043423 has 8 divisors (see below), whose sum is σ = 1827025200. Its totient is φ = 893211968.

The previous prime is 1355043407. The next prime is 1355043427. The reversal of 1355043423 is 3243405531.

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 1355043423 - 24 = 1355043407 is a prime.

It is a super-2 number, since 2×13550434232 = 3672285356431113858, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1355043427) 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, 2537268 + ... + 2537801.

It is an arithmetic number, because the mean of its divisors is an integer number (228378150).

Almost surely, 21355043423 is an apocalyptic number.

1355043423 is a deficient number, since it is larger than the sum of its proper divisors (471981777).

1355043423 is an equidigital number, since it uses as much as digits as its factorization.

1355043423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5075161.

The product of its (nonzero) digits is 21600, while the sum is 30.

The square root of 1355043423 is about 36810.9144548190. The cubic root of 1355043423 is about 1106.5840451072.

Adding to 1355043423 its reverse (3243405531), we get a palindrome (4598448954).

The spelling of 1355043423 in words is "one billion, three hundred fifty-five million, forty-three thousand, four hundred twenty-three".

Divisors: 1 3 89 267 5075069 15225207 451681141 1355043423