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402996 = 223114371
BaseRepresentation
bin1100010011000110100
3202110210210
41202120310
5100343441
612345420
73265626
oct1423064
9673723
10402996
11255860
12175270
13111579
14a6c16
157e616
hex62634

402996 has 48 divisors (see below), whose sum is σ = 1064448. Its totient is φ = 117600.

The previous prime is 402991. The next prime is 403001. The reversal of 402996 is 699204.

402996 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (402991) and next prime (403001).

It is a plaindrome in base 13.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (402991) by changing a digit.

402996 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5641 + ... + 5711.

It is an arithmetic number, because the mean of its divisors is an integer number (22176).

2402996 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 402996, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (532224).

402996 is an abundant number, since it is smaller than the sum of its proper divisors (661452).

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

402996 is a wasteful number, since it uses less digits than its factorization.

402996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132 (or 130 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 30.

The square root of 402996 is about 634.8196594309. The cubic root of 402996 is about 73.8641285705.

The spelling of 402996 in words is "four hundred two thousand, nine hundred ninety-six".

Divisors: 1 2 3 4 6 11 12 22 33 43 44 66 71 86 129 132 142 172 213 258 284 426 473 516 781 852 946 1419 1562 1892 2343 2838 3053 3124 4686 5676 6106 9159 9372 12212 18318 33583 36636 67166 100749 134332 201498 402996