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10397970 = 235511389
BaseRepresentation
bin100111101010…
…100100010010
3201120021100000
4213222210102
510130213340
61010510430
7154244532
oct47524422
921507300
1010397970
115962170
123595416
132200a5b
1415494c2
15da5d30
hex9ea912

10397970 has 96 divisors (see below), whose sum is σ = 30663360. Its totient is φ = 2514240.

The previous prime is 10397957. The next prime is 10397977. The reversal of 10397970 is 7979301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10397977) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 26536 + ... + 26924.

It is an arithmetic number, because the mean of its divisors is an integer number (319410).

Almost surely, 210397970 is an apocalyptic number.

10397970 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 10397970, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15331680).

10397970 is an abundant number, since it is smaller than the sum of its proper divisors (20265390).

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

10397970 is a wasteful number, since it uses less digits than its factorization.

10397970 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 422 (or 410 counting only the distinct ones).

The product of its (nonzero) digits is 11907, while the sum is 36.

The square root of 10397970 is about 3224.5883458203. The cubic root of 10397970 is about 218.2643735884.

It can be divided in two parts, 1039 and 7970, that added together give a palindrome (9009).

The spelling of 10397970 in words is "ten million, three hundred ninety-seven thousand, nine hundred seventy".

Divisors: 1 2 3 5 6 9 10 11 15 18 22 27 30 33 45 54 55 66 81 90 99 110 135 162 165 198 243 270 297 330 389 405 486 495 594 778 810 891 990 1167 1215 1485 1782 1945 2334 2430 2673 2970 3501 3890 4279 4455 5346 5835 7002 8558 8910 10503 11670 12837 13365 17505 21006 21395 25674 26730 31509 35010 38511 42790 52515 63018 64185 77022 94527 105030 115533 128370 157545 189054 192555 231066 315090 346599 385110 472635 577665 693198 945270 1039797 1155330 1732995 2079594 3465990 5198985 10397970