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9972396 = 223474397
BaseRepresentation
bin100110000010…
…101010101100
3200202122120000
4212002222230
510023104041
6553424300
7150523020
oct46025254
920678500
109972396
1156a1455
12340b090
1320b2135
141478380
15d1ebb6
hex982aac

9972396 has 60 divisors (see below), whose sum is σ = 29800848. Its totient is φ = 2848608.

The previous prime is 9972383. The next prime is 9972401. The reversal of 9972396 is 6932799.

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 70 + ... + 4466.

Almost surely, 29972396 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 9972396, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14900424).

9972396 is an abundant number, since it is smaller than the sum of its proper divisors (19828452).

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

9972396 is a wasteful number, since it uses less digits than its factorization.

9972396 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4420 (or 4409 counting only the distinct ones).

The product of its digits is 183708, while the sum is 45.

The square root of 9972396 is about 3157.9100683838. The cubic root of 9972396 is about 215.2450496015.

The spelling of 9972396 in words is "nine million, nine hundred seventy-two thousand, three hundred ninety-six".

Divisors: 1 2 3 4 6 7 9 12 14 18 21 27 28 36 42 54 63 81 84 108 126 162 189 252 324 378 567 756 1134 2268 4397 8794 13191 17588 26382 30779 39573 52764 61558 79146 92337 118719 123116 158292 184674 237438 277011 356157 369348 474876 554022 712314 831033 1108044 1424628 1662066 2493099 3324132 4986198 9972396