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970398920 = 235181134033
BaseRepresentation
bin111001110101110…
…001110011001000
32111121222101001202
4321311301303020
53441410231140
6240143003332
733022153241
oct7165616310
92447871052
10970398920
11458846087
12230b99548
1312607495a
1492c43cc8
155a2d5915
hex39d71cc8

970398920 has 32 divisors (see below), whose sum is σ = 2195476920. Its totient is φ = 386012160.

The previous prime is 970398907. The next prime is 970398929. The reversal of 970398920 is 29893079.

It can be written as a sum of positive squares in 4 ways, for example, as 501849604 + 468549316 = 22402^2 + 21646^2 .

It is not an unprimeable number, because it can be changed into a prime (970398929) 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, 59777 + ... + 74256.

Almost surely, 2970398920 is an apocalyptic number.

It is an amenable number.

970398920 is an abundant number, since it is smaller than the sum of its proper divisors (1225078000).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

970398920 is a wasteful number, since it uses less digits than its factorization.

970398920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134225 (or 134221 counting only the distinct ones).

The product of its (nonzero) digits is 244944, while the sum is 47.

The square root of 970398920 is about 31151.2266211140. The cubic root of 970398920 is about 990.0339817605.

The spelling of 970398920 in words is "nine hundred seventy million, three hundred ninety-eight thousand, nine hundred twenty".

Divisors: 1 2 4 5 8 10 20 40 181 362 724 905 1448 1810 3620 7240 134033 268066 536132 670165 1072264 1340330 2680660 5361320 24259973 48519946 97039892 121299865 194079784 242599730 485199460 970398920