Search a number
-
+
332075981 = 1013287881
BaseRepresentation
bin10011110010110…
…001001111001101
3212010212012121102
4103302301033031
51140002412411
652541312445
711141412356
oct2362611715
9763765542
10332075981
111604a2666
1293265725
1353a4b983
1432162d2d
151e247d3b
hex13cb13cd

332075981 has 4 divisors (see below), whose sum is σ = 335363964. Its totient is φ = 328788000.

The previous prime is 332075957. The next prime is 332075983. The reversal of 332075981 is 189570233.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 242300356 + 89775625 = 15566^2 + 9475^2 .

It is a cyclic number.

It is not a de Polignac number, because 332075981 - 214 = 332059597 is a prime.

It is a super-2 number, since 2×3320759812 = 220548914314224722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (332075983) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1643840 + ... + 1644041.

It is an arithmetic number, because the mean of its divisors is an integer number (83840991).

Almost surely, 2332075981 is an apocalyptic number.

It is an amenable number.

332075981 is a deficient number, since it is larger than the sum of its proper divisors (3287983).

332075981 is a wasteful number, since it uses less digits than its factorization.

332075981 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3287982.

The product of its (nonzero) digits is 45360, while the sum is 38.

The square root of 332075981 is about 18222.9520385694. The cubic root of 332075981 is about 692.4883764726.

The spelling of 332075981 in words is "three hundred thirty-two million, seventy-five thousand, nine hundred eighty-one".

Divisors: 1 101 3287881 332075981