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197342244 = 22351118457
BaseRepresentation
bin10111100001100…
…11010000100100
3111202100000200000
423300303100210
5401004422434
631325421300
74614244551
oct1360632044
9452300600
10197342244
11a1438170
125610a830
1331b66678
141c2cda28
15124d1b99
hexbc33424

197342244 has 72 divisors (see below), whose sum is σ = 564371808. Its totient is φ = 59797440.

The previous prime is 197342221. The next prime is 197342261. The reversal of 197342244 is 442243791.

197342244 is a `hidden beast` number, since 197 + 3 + 422 + 44 = 666.

It is a super-2 number, since 2×1973422442 = 77887922533911072, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 197342199 and 197342208.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1464 + ... + 19920.

Almost surely, 2197342244 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 197342244, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (282185904).

197342244 is an abundant number, since it is smaller than the sum of its proper divisors (367029564).

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

197342244 is a wasteful number, since it uses less digits than its factorization.

197342244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18487 (or 18473 counting only the distinct ones).

The product of its digits is 48384, while the sum is 36.

The square root of 197342244 is about 14047.8554947010. The cubic root of 197342244 is about 582.2015456715.

The spelling of 197342244 in words is "one hundred ninety-seven million, three hundred forty-two thousand, two hundred forty-four".

Divisors: 1 2 3 4 6 9 11 12 18 22 27 33 36 44 54 66 81 99 108 132 162 198 243 297 324 396 486 594 891 972 1188 1782 2673 3564 5346 10692 18457 36914 55371 73828 110742 166113 203027 221484 332226 406054 498339 609081 664452 812108 996678 1218162 1495017 1827243 1993356 2436324 2990034 3654486 4485051 5481729 5980068 7308972 8970102 10963458 16445187 17940204 21926916 32890374 49335561 65780748 98671122 197342244