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1402772 = 227217421
BaseRepresentation
bin101010110011110010100
32122021020112
411112132110
5324342042
650022152
714631500
oct5263624
92567215
101402772
11878a18
12577958
133a1657
14287300
151ca982
hex156794

1402772 has 36 divisors (see below), whose sum is σ = 3030804. Its totient is φ = 564480.

The previous prime is 1402771. The next prime is 1402799. The reversal of 1402772 is 2772041.

It can be written as a sum of positive squares in 2 ways, for example, as 414736 + 988036 = 644^2 + 994^2 .

1402772 is a modest number, since divided by 2772 gives 140 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1402771) 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 11 ways as a sum of consecutive naturals, for example, 3122 + ... + 3542.

It is an arithmetic number, because the mean of its divisors is an integer number (84189).

21402772 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 1402772, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1515402).

1402772 is an abundant number, since it is smaller than the sum of its proper divisors (1628032).

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

1402772 is a wasteful number, since it uses less digits than its factorization.

1402772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 456 (or 447 counting only the distinct ones).

The product of its (nonzero) digits is 784, while the sum is 23.

The square root of 1402772 is about 1184.3867611553. The cubic root of 1402772 is about 111.9426790018.

The spelling of 1402772 in words is "one million, four hundred two thousand, seven hundred seventy-two".

Divisors: 1 2 4 7 14 17 28 34 49 68 98 119 196 238 421 476 833 842 1666 1684 2947 3332 5894 7157 11788 14314 20629 28628 41258 50099 82516 100198 200396 350693 701386 1402772