Search a number
-
+
402441042341 = 1349096306173
BaseRepresentation
bin1011101101100110101…
…10101111100110100101
31102110202210211011120102
411312303112233212211
523043144401323331
6504513500113445
741034602263352
oct5666326574645
91373683734512
10402441042341
11145746527668
1265bb4835885
132bc472970b0
141569a467629
15a705d7a4cb
hex5db35af9a5

402441042341 has 8 divisors (see below), whose sum is σ = 433486400760. Its totient is φ = 371408306112.

The previous prime is 402441042323. The next prime is 402441042349. The reversal of 402441042341 is 143240144204.

It can be written as a sum of positive squares in 4 ways, for example, as 67558926241 + 334882116100 = 259921^2 + 578690^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 402441042341 - 26 = 402441042277 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (402441042349) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3089270 + ... + 3216903.

It is an arithmetic number, because the mean of its divisors is an integer number (54185800095).

Almost surely, 2402441042341 is an apocalyptic number.

It is an amenable number.

402441042341 is a deficient number, since it is larger than the sum of its proper divisors (31045358419).

402441042341 is a wasteful number, since it uses less digits than its factorization.

402441042341 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6311095.

The product of its (nonzero) digits is 12288, while the sum is 29.

Adding to 402441042341 its reverse (143240144204), we get a palindrome (545681186545).

The spelling of 402441042341 in words is "four hundred two billion, four hundred forty-one million, forty-two thousand, three hundred forty-one".

Divisors: 1 13 4909 63817 6306173 81980249 30957003257 402441042341