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970576421 = 1194181281
BaseRepresentation
bin111001110110011…
…101001000100101
32111122022101112212
4321312131020211
53441431421141
6240150453205
733023522603
oct7166351045
92448271485
10970576421
11458957481
12231064205
13126107699
1492c8c873
155a31d2eb
hex39d9d225

970576421 has 4 divisors (see below), whose sum is σ = 970669644. Its totient is φ = 970483200.

The previous prime is 970576403. The next prime is 970576423. The reversal of 970576421 is 124675079.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 656896900 + 313679521 = 25630^2 + 17711^2 .

It is a cyclic number.

It is not a de Polignac number, because 970576421 - 214 = 970560037 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (970576423) 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, 28700 + ... + 52581.

It is an arithmetic number, because the mean of its divisors is an integer number (242667411).

Almost surely, 2970576421 is an apocalyptic number.

It is an amenable number.

970576421 is a deficient number, since it is larger than the sum of its proper divisors (93223).

970576421 is a wasteful number, since it uses less digits than its factorization.

970576421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93222.

The product of its (nonzero) digits is 105840, while the sum is 41.

The square root of 970576421 is about 31154.0755118813. The cubic root of 970576421 is about 990.0943422660.

The spelling of 970576421 in words is "nine hundred seventy million, five hundred seventy-six thousand, four hundred twenty-one".

Divisors: 1 11941 81281 970576421