Search a number
-
+
331994341 = 747427763
BaseRepresentation
bin10011110010011…
…101010011100101
3212010201001121201
4103302131103211
51134442304331
652535442501
711140622350
oct2362352345
9763631551
10331994341
11160447298
1293226431
1353a20773
1432141297
151e22da61
hex13c9d4e5

331994341 has 4 divisors (see below), whose sum is σ = 379422112. Its totient is φ = 284566572.

The previous prime is 331994329. The next prime is 331994359. The reversal of 331994341 is 143499133.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-331994341 is a prime.

It is a super-2 number, since 2×3319943412 = 220440484912048562, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 331994341.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (331994321) 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, 23713875 + ... + 23713888.

It is an arithmetic number, because the mean of its divisors is an integer number (94855528).

Almost surely, 2331994341 is an apocalyptic number.

It is an amenable number.

331994341 is a deficient number, since it is larger than the sum of its proper divisors (47427771).

331994341 is an equidigital number, since it uses as much as digits as its factorization.

331994341 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47427770.

The product of its digits is 34992, while the sum is 37.

The square root of 331994341 is about 18220.7118686400. The cubic root of 331994341 is about 692.4316230106.

The spelling of 331994341 in words is "three hundred thirty-one million, nine hundred ninety-four thousand, three hundred forty-one".

Divisors: 1 7 47427763 331994341