Search a number
-
+
2302032421 = 13978112251
BaseRepresentation
bin1000100100110110…
…0011101000100101
312221102200100211001
42021031203220211
514203310014141
61020232313301
7111021644533
oct21115435045
95842610731
102302032421
11a8148a037
12542b42831
132a8c07280
1417ba3b153
15d7173a31
hex89363a25

2302032421 has 16 divisors (see below), whose sum is σ = 2508872128. Its totient is φ = 2099520000.

The previous prime is 2302032401. The next prime is 2302032479. The reversal of 2302032421 is 1242302032.

It is a 5-Lehmer number, since φ(2302032421) divides (2302032421-1)5.

It is a cyclic number.

It is not a de Polignac number, because 2302032421 - 221 = 2299935269 is a prime.

It is the 47980-th Hogben number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2302032401) by changing a digit.

It is a nontrivial repunit in base 47979.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1021546 + ... + 1023796.

It is an arithmetic number, because the mean of its divisors is an integer number (156804508).

Almost surely, 22302032421 is an apocalyptic number.

It is an amenable number.

2302032421 is a deficient number, since it is larger than the sum of its proper divisors (206839707).

2302032421 is a wasteful number, since it uses less digits than its factorization.

2302032421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3172.

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 2302032421 is about 47979.5000078158. The cubic root of 2302032421 is about 1320.3948201029.

Adding to 2302032421 its reverse (1242302032), we get a palindrome (3544334453).

The spelling of 2302032421 in words is "two billion, three hundred two million, thirty-two thousand, four hundred twenty-one".

Divisors: 1 13 97 811 1261 2251 10543 29263 78667 218347 1022671 1825561 2838511 23732293 177079417 2302032421