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2130402 = 231492383
BaseRepresentation
bin1000001000000111100010
311000020100210
420020013202
51021133102
6113354550
724052041
oct10100742
94006323
102130402
11122566a
12868a56
135978c1
143d6558
152c136c
hex2081e2

2130402 has 16 divisors (see below), whose sum is σ = 4291200. Its totient is φ = 705072.

The previous prime is 2130391. The next prime is 2130437. The reversal of 2130402 is 2040312.

It is a super-2 number, since 2×21304022 = 9077225363208, which contains 22 as substring.

It is a plaindrome in base 11.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 298 + ... + 2085.

It is an arithmetic number, because the mean of its divisors is an integer number (268200).

22130402 is an apocalyptic number.

2130402 is an abundant number, since it is smaller than the sum of its proper divisors (2160798).

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

2130402 is a wasteful number, since it uses less digits than its factorization.

2130402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2537.

The product of its (nonzero) digits is 48, while the sum is 12.

The square root of 2130402 is about 1459.5896683657. The cubic root of 2130402 is about 128.6729290207.

Adding to 2130402 its reverse (2040312), we get a palindrome (4170714).

The spelling of 2130402 in words is "two million, one hundred thirty thousand, four hundred two".

Divisors: 1 2 3 6 149 298 447 894 2383 4766 7149 14298 355067 710134 1065201 2130402