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34411431 = 364317839
BaseRepresentation
bin1000001101000…
…1001110100111
32101202021121110
42003101032213
532302131211
63225320103
7565330605
oct203211647
971667543
1034411431
11184738aa
12b636033
13718abc2
1447da875
15304aea6
hex20d13a7

34411431 has 8 divisors (see below), whose sum is σ = 45955840. Its totient is φ = 22903992.

The previous prime is 34411367. The next prime is 34411439. The reversal of 34411431 is 13411443.

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

It is not a de Polignac number, because 34411431 - 26 = 34411367 is a prime.

It is a super-2 number, since 2×344114312 = 2368293166935522, 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 = 34411398 and 34411407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34411439) 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, 6991 + ... + 10848.

It is an arithmetic number, because the mean of its divisors is an integer number (5744480).

Almost surely, 234411431 is an apocalyptic number.

34411431 is a deficient number, since it is larger than the sum of its proper divisors (11544409).

34411431 is a wasteful number, since it uses less digits than its factorization.

34411431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18485.

The product of its digits is 576, while the sum is 21.

The square root of 34411431 is about 5866.1257231669. The cubic root of 34411431 is about 325.2626862419.

Adding to 34411431 its reverse (13411443), we get a palindrome (47822874).

The spelling of 34411431 in words is "thirty-four million, four hundred eleven thousand, four hundred thirty-one".

Divisors: 1 3 643 1929 17839 53517 11470477 34411431