Search a number
-
+
1214157841 = 13571163567
BaseRepresentation
bin100100001011110…
…1001010000010001
310010121122121102221
41020113221100101
54441311022331
6320251341041
742042112531
oct11027512021
93117577387
101214157841
115733a6836
1229a751781
131647106c0
14b73774c1
15718d5711
hex485e9411

1214157841 has 8 divisors (see below), whose sum is σ = 1309852544. Its totient is φ = 1118791440.

The previous prime is 1214157821. The next prime is 1214157859. The reversal of 1214157841 is 1487514121.

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

It is not a de Polignac number, because 1214157841 - 27 = 1214157713 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1214157797 and 1214157806.

It is not an unprimeable number, because it can be changed into a prime (1214157821) 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, 74361 + ... + 89206.

It is an arithmetic number, because the mean of its divisors is an integer number (163731568).

Almost surely, 21214157841 is an apocalyptic number.

It is an amenable number.

1214157841 is a deficient number, since it is larger than the sum of its proper divisors (95694703).

1214157841 is a wasteful number, since it uses less digits than its factorization.

1214157841 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164151.

The product of its digits is 8960, while the sum is 34.

The square root of 1214157841 is about 34844.7677707859. The cubic root of 1214157841 is about 1066.8213936463.

The spelling of 1214157841 in words is "one billion, two hundred fourteen million, one hundred fifty-seven thousand, eight hundred forty-one".

Divisors: 1 13 571 7423 163567 2126371 93396757 1214157841