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741631 = 1167421
BaseRepresentation
bin10110101000011111111
31101200022211
42311003333
5142213011
623521251
76206122
oct2650377
91350284
10741631
11467220
122b9227
131cc747
141543b9
15e9b21
hexb50ff

741631 has 4 divisors (see below), whose sum is σ = 809064. Its totient is φ = 674200.

The previous prime is 741599. The next prime is 741641. The reversal of 741631 is 136147.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 136147 = 1112377.

It is a cyclic number.

It is not a de Polignac number, because 741631 - 25 = 741599 is a prime.

It is a super-2 number, since 2×7416312 = 1100033080322, which contains 22 as substring.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (741641) 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, 33700 + ... + 33721.

It is an arithmetic number, because the mean of its divisors is an integer number (202266).

2741631 is an apocalyptic number.

741631 is a deficient number, since it is larger than the sum of its proper divisors (67433).

741631 is a wasteful number, since it uses less digits than its factorization.

741631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67432.

The product of its digits is 504, while the sum is 22.

The square root of 741631 is about 861.1800044126. The cubic root of 741631 is about 90.5168207392.

Adding to 741631 its reverse (136147), we get a palindrome (877778).

It can be divided in two parts, 7416 and 31, that added together give a palindrome (7447).

The spelling of 741631 in words is "seven hundred forty-one thousand, six hundred thirty-one".

Divisors: 1 11 67421 741631