Search a number
-
+
2902092321 = 317232985313
BaseRepresentation
bin1010110011111010…
…0110101000100001
321111020210120020210
42230332212220201
521420413423241
61155545524333
7131626243362
oct25476465041
97436716223
102902092321
11125a178a07
1268baa36a9
133733241bb
141d75dbb69
1511eba4316
hexacfa6a21

2902092321 has 32 divisors (see below), whose sum is σ = 4422677760. Its totient is φ = 1681670144.

The previous prime is 2902092313. The next prime is 2902092343. The reversal of 2902092321 is 1232902092.

It is a happy number.

2902092321 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 2902092321 - 23 = 2902092313 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2902092121) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8640 + ... + 76673.

It is an arithmetic number, because the mean of its divisors is an integer number (138208680).

Almost surely, 22902092321 is an apocalyptic number.

It is an amenable number.

2902092321 is a deficient number, since it is larger than the sum of its proper divisors (1520585439).

2902092321 is a wasteful number, since it uses less digits than its factorization.

2902092321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85385.

The product of its (nonzero) digits is 3888, while the sum is 30.

The square root of 2902092321 is about 53871.0712813473. The cubic root of 2902092321 is about 1426.3860233185.

The spelling of 2902092321 in words is "two billion, nine hundred two million, ninety-two thousand, three hundred twenty-one".

Divisors: 1 3 17 23 29 51 69 87 391 493 667 1173 1479 2001 11339 34017 85313 255939 1450321 1962199 2474077 4350963 5886597 7422231 33357383 42059309 56903771 100072149 126177927 170711313 967364107 2902092321