Search a number
-
+
2151244435 = 51459294893
BaseRepresentation
bin1000000000111001…
…0110001010010011
312112220221112120211
42000032112022103
513401204310220
6553244344551
7104211163444
oct20016261223
95486845524
102151244435
11a0435986a
12500545157
132838c0802
141659c92cb
15c8cdab5a
hex80396293

2151244435 has 8 divisors (see below), whose sum is σ = 2583271440. Its totient is φ = 1719810144.

The previous prime is 2151244427. The next prime is 2151244451. The reversal of 2151244435 is 5344421512.

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 2151244435 - 23 = 2151244427 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2151244397 and 2151244406.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 140152 + ... + 154741.

It is an arithmetic number, because the mean of its divisors is an integer number (322908930).

Almost surely, 22151244435 is an apocalyptic number.

2151244435 is a deficient number, since it is larger than the sum of its proper divisors (432027005).

2151244435 is a wasteful number, since it uses less digits than its factorization.

2151244435 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 296357.

The product of its digits is 19200, while the sum is 31.

The square root of 2151244435 is about 46381.5096239870. The cubic root of 2151244435 is about 1290.9118475389.

Adding to 2151244435 its reverse (5344421512), we get a palindrome (7495665947).

The spelling of 2151244435 in words is "two billion, one hundred fifty-one million, two hundred forty-four thousand, four hundred thirty-five".

Divisors: 1 5 1459 7295 294893 1474465 430248887 2151244435