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1972296 = 233323397
BaseRepresentation
bin111100001100001001000
310201012111000
413201201020
51001103141
6110135000
722523064
oct7414110
93635430
101972296
1111278a7
127b1460
13540951
14394aa4
1528e5b6
hex1e1848

1972296 has 64 divisors (see below), whose sum is σ = 5731200. Its totient is φ = 627264.

The previous prime is 1972291. The next prime is 1972297. The reversal of 1972296 is 6922791.

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

It is a self number, because there is not a number n which added to its sum of digits gives 1972296.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1972291) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4770 + ... + 5166.

It is an arithmetic number, because the mean of its divisors is an integer number (89550).

21972296 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 1972296, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2865600).

1972296 is an abundant number, since it is smaller than the sum of its proper divisors (3758904).

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

1972296 is a wasteful number, since it uses less digits than its factorization.

1972296 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 435 (or 425 counting only the distinct ones).

The product of its digits is 13608, while the sum is 36.

The square root of 1972296 is about 1404.3845627178. The cubic root of 1972296 is about 125.4076504570.

The spelling of 1972296 in words is "one million, nine hundred seventy-two thousand, two hundred ninety-six".

Divisors: 1 2 3 4 6 8 9 12 18 23 24 27 36 46 54 69 72 92 108 138 184 207 216 276 397 414 552 621 794 828 1191 1242 1588 1656 2382 2484 3176 3573 4764 4968 7146 9131 9528 10719 14292 18262 21438 27393 28584 36524 42876 54786 73048 82179 85752 109572 164358 219144 246537 328716 493074 657432 986148 1972296