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997168482 = 2368272
BaseRepresentation
bin111011011011111…
…001010101100010
32120111100102000000
4323123321111202
54020233342412
6242540440430
733465535512
oct7333712542
92514312000
10997168482
1147196a492
12239b49116
1312b78842b
1496611842
155c8224dc
hex3b6f9562

997168482 has 42 divisors (see below), whose sum is σ = 2245318203. Its totient is φ = 331987572.

The previous prime is 997168457. The next prime is 997168489. The reversal of 997168482 is 284861799.

997168482 is a `hidden beast` number, since 99 + 71 + 6 + 8 + 482 = 666.

It can be written as a sum of positive squares in only one way, i.e., 498584241 + 498584241 = 22329^2 + 22329^2 .

It is an ABA number since it can be written as A⋅BA, here for A=2, B=22329.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (997168489) by changing a digit.

It is a polite number, since it can be written in 20 ways as a sum of consecutive naturals, for example, 1205353 + ... + 1206179.

Almost surely, 2997168482 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 997168482

997168482 is an abundant number, since it is smaller than the sum of its proper divisors (1248149721).

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

997168482 is an frugal number, since it uses more digits than its factorization.

997168482 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1674 (or 832 counting only the distinct ones).

The product of its digits is 1741824, while the sum is 54.

The square root of 997168482 is about 31577.9746342288. The cubic root of 997168482 is about 999.0552684300.

The spelling of 997168482 in words is "nine hundred ninety-seven million, one hundred sixty-eight thousand, four hundred eighty-two".

Divisors: 1 2 3 6 9 18 27 54 81 162 243 486 729 827 1458 1654 2481 4962 7443 14886 22329 44658 66987 133974 200961 401922 602883 683929 1205766 1367858 2051787 4103574 6155361 12310722 18466083 36932166 55398249 110796498 166194747 332389494 498584241 997168482