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2196797190 = 235717958441
BaseRepresentation
bin1000001011110000…
…0111011100000110
312200002122212012220
42002330013130012
513444340002230
61001552553210
7105303316350
oct20274073406
95602585186
102196797190
11a28042275
12513852806
1329017c8c3
1416ba860d0
15cccd7d10
hex82f07706

2196797190 has 64 divisors (see below), whose sum is σ = 6059266560. Its totient is φ = 499311360.

The previous prime is 2196797173. The next prime is 2196797191. The reversal of 2196797190 is 917976912.

It is a happy number.

It is a super-2 number, since 2×21967971902 = 9651835787983792200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2196797191) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8370 + ... + 66810.

It is an arithmetic number, because the mean of its divisors is an integer number (94676040).

Almost surely, 22196797190 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2196797190, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3029633280).

2196797190 is an abundant number, since it is smaller than the sum of its proper divisors (3862469370).

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

2196797190 is a wasteful number, since it uses less digits than its factorization.

2196797190 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58637.

The product of its (nonzero) digits is 428652, while the sum is 51.

The square root of 2196797190 is about 46870.0030936632. The cubic root of 2196797190 is about 1299.9599967967.

The spelling of 2196797190 in words is "two billion, one hundred ninety-six million, seven hundred ninety-seven thousand, one hundred ninety".

Divisors: 1 2 3 5 6 7 10 14 15 21 30 35 42 70 105 179 210 358 537 895 1074 1253 1790 2506 2685 3759 5370 6265 7518 12530 18795 37590 58441 116882 175323 292205 350646 409087 584410 818174 876615 1227261 1753230 2045435 2454522 4090870 6136305 10460939 12272610 20921878 31382817 52304695 62765634 73226573 104609390 146453146 156914085 219679719 313828170 366132865 439359438 732265730 1098398595 2196797190