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40830369 = 313610123
BaseRepresentation
bin1001101111000…
…0010110100001
32211211101201220
42123300112201
540423032434
64015045253
71004023656
oct233602641
984741656
1040830369
1121058508
1211810829
1385c77a8
1455cbc2d
1538b7d49
hex26f05a1

40830369 has 4 divisors (see below), whose sum is σ = 54440496. Its totient is φ = 27220244.

The previous prime is 40830367. The next prime is 40830401. The reversal of 40830369 is 96303804.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 40830369 - 21 = 40830367 is a prime.

It is a super-2 number, since 2×408303692 = 3334238065352322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (40830367) 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, 6805059 + ... + 6805064.

It is an arithmetic number, because the mean of its divisors is an integer number (13610124).

Almost surely, 240830369 is an apocalyptic number.

It is an amenable number.

40830369 is a deficient number, since it is larger than the sum of its proper divisors (13610127).

40830369 is a wasteful number, since it uses less digits than its factorization.

40830369 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13610126.

The product of its (nonzero) digits is 15552, while the sum is 33.

The square root of 40830369 is about 6389.8645525551. The cubic root of 40830369 is about 344.3455182858.

The spelling of 40830369 in words is "forty million, eight hundred thirty thousand, three hundred sixty-nine".

Divisors: 1 3 13610123 40830369