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40251341 = 133096257
BaseRepresentation
bin1001100110001…
…0111111001101
32210201222110102
42121202333031
540301020331
63554420445
7666062564
oct231427715
983658412
1040251341
11207a2479
1211591725
138454080
1454babdb
1538014cb
hex2662fcd

40251341 has 4 divisors (see below), whose sum is σ = 43347612. Its totient is φ = 37155072.

The previous prime is 40251319. The next prime is 40251353. The reversal of 40251341 is 14315204.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2735716 + 37515625 = 1654^2 + 6125^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-40251341 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40251041) 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, 1548116 + ... + 1548141.

It is an arithmetic number, because the mean of its divisors is an integer number (10836903).

Almost surely, 240251341 is an apocalyptic number.

It is an amenable number.

40251341 is a deficient number, since it is larger than the sum of its proper divisors (3096271).

40251341 is a wasteful number, since it uses less digits than its factorization.

40251341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3096270.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 40251341 is about 6344.3944549500. The cubic root of 40251341 is about 342.7100060039.

Adding to 40251341 its reverse (14315204), we get a palindrome (54566545).

The spelling of 40251341 in words is "forty million, two hundred fifty-one thousand, three hundred forty-one".

Divisors: 1 13 3096257 40251341