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1352136431 = 6129277573
BaseRepresentation
bin101000010010111…
…1111011011101111
310111020021122111002
41100211333123233
510232121331211
6342100550515
745335653502
oct12045773357
93436248432
101352136431
11634278128
123189b243b
13187190939
14cb813139
157da8d03b
hex5097f6ef

1352136431 has 8 divisors (see below), whose sum is σ = 1374953664. Its totient is φ = 1329340320.

The previous prime is 1352136407. The next prime is 1352136469. The reversal of 1352136431 is 1346312531.

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 1352136431 - 226 = 1285027567 is a prime.

It is a super-2 number, since 2×13521364312 = 3656545856074835522, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1352136394 and 1352136403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1352136491) 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, 174761 + ... + 182333.

It is an arithmetic number, because the mean of its divisors is an integer number (171869208).

Almost surely, 21352136431 is an apocalyptic number.

1352136431 is a deficient number, since it is larger than the sum of its proper divisors (22817233).

1352136431 is an equidigital number, since it uses as much as digits as its factorization.

1352136431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10561.

The product of its digits is 6480, while the sum is 29.

The square root of 1352136431 is about 36771.4077919244. The cubic root of 1352136431 is about 1105.7921555812.

Adding to 1352136431 its reverse (1346312531), we get a palindrome (2698448962).

The spelling of 1352136431 in words is "one billion, three hundred fifty-two million, one hundred thirty-six thousand, four hundred thirty-one".

Divisors: 1 61 2927 7573 178547 461953 22166171 1352136431