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41697431 = 131318301
BaseRepresentation
bin1001111100010…
…0000010010111
32220110110010022
42133010002113
541133304211
64045415355
71014264566
oct237040227
986413108
1041697431
112159a996
1211b6a55b
13883c349
145775bdd
1539d9bdb
hex27c4097

41697431 has 4 divisors (see below), whose sum is σ = 42015864. Its totient is φ = 41379000.

The previous prime is 41697391. The next prime is 41697433. The reversal of 41697431 is 13479614.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13479614 = 26739807.

It is a cyclic number.

It is not a de Polignac number, because 41697431 - 210 = 41696407 is a prime.

It is a super-2 number, since 2×416974312 = 3477351503999522, 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 = 41697391 and 41697400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (41697433) 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, 159020 + ... + 159281.

It is an arithmetic number, because the mean of its divisors is an integer number (10503966).

Almost surely, 241697431 is an apocalyptic number.

41697431 is a deficient number, since it is larger than the sum of its proper divisors (318433).

41697431 is a wasteful number, since it uses less digits than its factorization.

41697431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 318432.

The product of its digits is 18144, while the sum is 35.

The square root of 41697431 is about 6457.3547989870. The cubic root of 41697431 is about 346.7659393741.

The spelling of 41697431 in words is "forty-one million, six hundred ninety-seven thousand, four hundred thirty-one".

Divisors: 1 131 318301 41697431