Search a number
-
+
970732381 = 6736973919
BaseRepresentation
bin111001110111000…
…011001101011101
32111122121022111011
4321313003031131
53442001414011
6240154055221
733025042363
oct7167031535
92448538434
10970732381
11458a53673
1223111a511
13126160678
1492ccd633
155a34e621
hex39dc335d

970732381 has 8 divisors (see below), whose sum is σ = 985738880. Its totient is φ = 955741248.

The previous prime is 970732349. The next prime is 970732387. The reversal of 970732381 is 183237079.

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 970732381 - 25 = 970732349 is a prime.

It is a super-2 number, since 2×9707323812 = 1884642711043858322, 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 (970732387) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 245740 + ... + 249658.

It is an arithmetic number, because the mean of its divisors is an integer number (123217360).

Almost surely, 2970732381 is an apocalyptic number.

It is an amenable number.

970732381 is a deficient number, since it is larger than the sum of its proper divisors (15006499).

970732381 is a wasteful number, since it uses less digits than its factorization.

970732381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7683.

The product of its (nonzero) digits is 63504, while the sum is 40.

The square root of 970732381 is about 31156.5784546378. The cubic root of 970732381 is about 990.1473715244.

The spelling of 970732381 in words is "nine hundred seventy million, seven hundred thirty-two thousand, three hundred eighty-one".

Divisors: 1 67 3697 3919 247699 262573 14488543 970732381