Search a number
-
+
2391402424 = 23298925303
BaseRepresentation
bin1000111010001001…
…1110011110111000
320011122211211102011
42032202132132320
514344144334144
61033144015304
7113155404505
oct21642363670
96148754364
102391402424
111017980044
12568a61534
132c1598528
141898624ac
15dee28a34
hex8e89e7b8

2391402424 has 8 divisors (see below), whose sum is σ = 4483879560. Its totient is φ = 1195701208.

The previous prime is 2391402421. The next prime is 2391402479. The reversal of 2391402424 is 4242041932.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2391402421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 149462644 + ... + 149462659.

It is an arithmetic number, because the mean of its divisors is an integer number (560484945).

Almost surely, 22391402424 is an apocalyptic number.

It is an amenable number.

2391402424 is a deficient number, since it is larger than the sum of its proper divisors (2092477136).

2391402424 is a wasteful number, since it uses less digits than its factorization.

2391402424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 298925309 (or 298925305 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 31.

The square root of 2391402424 is about 48901.9674859816. The cubic root of 2391402424 is about 1337.2652370910.

The spelling of 2391402424 in words is "two billion, three hundred ninety-one million, four hundred two thousand, four hundred twenty-four".

Divisors: 1 2 4 8 298925303 597850606 1195701212 2391402424