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2150772 = 2231317811
BaseRepresentation
bin1000001101000101110100
311001021022020
420031011310
51022311042
6114033140
724165321
oct10150564
94037266
102150772
1112399a8
128787b0
135a3c60
143ddb48
152c73ec
hex20d174

2150772 has 48 divisors (see below), whose sum is σ = 5729472. Its totient is φ = 622080.

The previous prime is 2150741. The next prime is 2150777. The reversal of 2150772 is 2770512.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2150777) 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, 2247 + ... + 3057.

It is an arithmetic number, because the mean of its divisors is an integer number (119364).

22150772 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 2150772, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2864736).

2150772 is an abundant number, since it is smaller than the sum of its proper divisors (3578700).

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

2150772 is a wasteful number, since it uses less digits than its factorization.

2150772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 848 (or 846 counting only the distinct ones).

The product of its (nonzero) digits is 980, while the sum is 24.

The square root of 2150772 is about 1466.5510560495. The cubic root of 2150772 is about 129.0817341528.

The spelling of 2150772 in words is "two million, one hundred fifty thousand, seven hundred seventy-two".

Divisors: 1 2 3 4 6 12 13 17 26 34 39 51 52 68 78 102 156 204 221 442 663 811 884 1326 1622 2433 2652 3244 4866 9732 10543 13787 21086 27574 31629 41361 42172 55148 63258 82722 126516 165444 179231 358462 537693 716924 1075386 2150772