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2121132 = 2231313597
BaseRepresentation
bin1000000101110110101100
310222202122110
420011312230
51020334012
6113244020
724013026
oct10056654
93882573
102121132
111219702
12863610
13593610
143d3016
152bd73c
hex205dac

2121132 has 24 divisors (see below), whose sum is σ = 5330416. Its totient is φ = 652608.

The previous prime is 2121131. The next prime is 2121143. The reversal of 2121132 is 2311212.

It is a super-2 number, since 2×21211322 = 8998401922848, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (2121131) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6643 + ... + 6954.

22121132 is an apocalyptic number.

It is an amenable number.

2121132 is an abundant number, since it is smaller than the sum of its proper divisors (3209284).

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

2121132 is a wasteful number, since it uses less digits than its factorization.

2121132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13617 (or 13615 counting only the distinct ones).

The product of its digits is 24, while the sum is 12.

The square root of 2121132 is about 1456.4106563741. The cubic root of 2121132 is about 128.4860265304.

Adding to 2121132 its reverse (2311212), we get a palindrome (4432344).

It can be divided in two parts, 2121 and 132, that multiplied together give a palindrome (279972).

The spelling of 2121132 in words is "two million, one hundred twenty-one thousand, one hundred thirty-two".

Divisors: 1 2 3 4 6 12 13 26 39 52 78 156 13597 27194 40791 54388 81582 163164 176761 353522 530283 707044 1060566 2121132