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197107392 = 2631039967
BaseRepresentation
bin10111011111110…
…01111011000000
3111201220002111210
423233321323000
5400424414032
631320410120
74612246056
oct1357717300
9451802453
10197107392
11a1297779
1256016940
1331ab37c1
141c26c1d6
15124872cc
hexbbf9ec0

197107392 has 56 divisors (see below), whose sum is σ = 526629376. Its totient is φ = 65058048.

The previous prime is 197107381. The next prime is 197107441. The reversal of 197107392 is 293701791.

It is a self number, because there is not a number n which added to its sum of digits gives 197107392.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14793 + ... + 24759.

It is an arithmetic number, because the mean of its divisors is an integer number (9404096).

Almost surely, 2197107392 is an apocalyptic number.

197107392 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 197107392, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (263314688).

197107392 is an abundant number, since it is smaller than the sum of its proper divisors (329521984).

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

197107392 is a wasteful number, since it uses less digits than its factorization.

197107392 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10085 (or 10075 counting only the distinct ones).

The product of its (nonzero) digits is 23814, while the sum is 39.

The square root of 197107392 is about 14039.4940079762. The cubic root of 197107392 is about 581.9704995616.

The spelling of 197107392 in words is "one hundred ninety-seven million, one hundred seven thousand, three hundred ninety-two".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 64 96 103 192 206 309 412 618 824 1236 1648 2472 3296 4944 6592 9888 9967 19776 19934 29901 39868 59802 79736 119604 159472 239208 318944 478416 637888 956832 1026601 1913664 2053202 3079803 4106404 6159606 8212808 12319212 16425616 24638424 32851232 49276848 65702464 98553696 197107392