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972940 = 22548647
BaseRepresentation
bin11101101100010001100
31211102121211
43231202030
5222113230
632504204
711161363
oct3554214
91742554
10972940
11604a91
123ab064
13280b07
141b47da
1514342a
hexed88c

972940 has 12 divisors (see below), whose sum is σ = 2043216. Its totient is φ = 389168.

The previous prime is 972901. The next prime is 972941. The reversal of 972940 is 49279.

972940 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×9729402 = 1893224487200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (972941) 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, 24304 + ... + 24343.

It is an arithmetic number, because the mean of its divisors is an integer number (170268).

2972940 is an apocalyptic number.

It is an amenable number.

972940 is an abundant number, since it is smaller than the sum of its proper divisors (1070276).

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

972940 is a wasteful number, since it uses less digits than its factorization.

972940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48656 (or 48654 counting only the distinct ones).

The product of its (nonzero) digits is 4536, while the sum is 31.

The square root of 972940 is about 986.3772097935. The cubic root of 972940 is about 99.0897393970.

The spelling of 972940 in words is "nine hundred seventy-two thousand, nine hundred forty".

Divisors: 1 2 4 5 10 20 48647 97294 194588 243235 486470 972940