Search a number
-
+
40162917 = 313387639
BaseRepresentation
bin1001100100110…
…1011001100101
32210120111011110
42121031121211
540240203132
63552455233
7665244024
oct231153145
983514143
1040162917
1120741aa3
121154a519
138422a52
1454968bb
1537d51cc
hex264d665

40162917 has 4 divisors (see below), whose sum is σ = 53550560. Its totient is φ = 26775276.

The previous prime is 40162901. The next prime is 40162919. The reversal of 40162917 is 71926104.

It is a happy number.

40162917 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 not a de Polignac number, because 40162917 - 24 = 40162901 is a prime.

It is a super-2 number, since 2×401629172 = 3226119803897778, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40162919) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6693817 + ... + 6693822.

It is an arithmetic number, because the mean of its divisors is an integer number (13387640).

Almost surely, 240162917 is an apocalyptic number.

It is an amenable number.

40162917 is a deficient number, since it is larger than the sum of its proper divisors (13387643).

40162917 is a wasteful number, since it uses less digits than its factorization.

40162917 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13387642.

The product of its (nonzero) digits is 3024, while the sum is 30.

The square root of 40162917 is about 6337.4219521821. The cubic root of 40162917 is about 342.4588673142.

The spelling of 40162917 in words is "forty million, one hundred sixty-two thousand, nine hundred seventeen".

Divisors: 1 3 13387639 40162917