Search a number
-
+
401205113 = 4761139939
BaseRepresentation
bin10111111010011…
…110011101111001
31000221221022221122
4113322132131321
51310202030423
6103451115025
712641121131
oct2772363571
91027838848
10401205113
11196519381
12b2442a75
1365173c9a
143b3d9ac1
15253508c8
hex17e9e779

401205113 has 8 divisors (see below), whose sum is σ = 416461440. Its totient is φ = 386228880.

The previous prime is 401205109. The next prime is 401205127. The reversal of 401205113 is 311502104.

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 401205113 - 22 = 401205109 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 401205091 and 401205100.

It is not an unprimeable number, because it can be changed into a prime (401205613) 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, 67103 + ... + 72836.

It is an arithmetic number, because the mean of its divisors is an integer number (52057680).

Almost surely, 2401205113 is an apocalyptic number.

It is an amenable number.

401205113 is a deficient number, since it is larger than the sum of its proper divisors (15256327).

401205113 is a wasteful number, since it uses less digits than its factorization.

401205113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140047.

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 401205113 is about 20030.1051669730. The cubic root of 401205113 is about 737.5455035794.

Adding to 401205113 its reverse (311502104), we get a palindrome (712707217).

The spelling of 401205113 in words is "four hundred one million, two hundred five thousand, one hundred thirteen".

Divisors: 1 47 61 2867 139939 6577133 8536279 401205113