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2121412 = 22530353
BaseRepresentation
bin1000000101111011000100
310222210000211
420011323010
51020341122
6113245204
724013606
oct10057304
93883024
102121412
111219937
12863804
13593797
143d3176
152bd877
hex205ec4

2121412 has 6 divisors (see below), whose sum is σ = 3712478. Its totient is φ = 1060704.

The previous prime is 2121403. The next prime is 2121433. The reversal of 2121412 is 2141212.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 2027776 + 93636 = 1424^2 + 306^2 .

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

It is an alternating number because its digits alternate between even and odd.

It is a junction number, because it is equal to n+sod(n) for n = 2121392 and 2121401.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 265173 + ... + 265180.

22121412 is an apocalyptic number.

It is an amenable number.

2121412 is a deficient number, since it is larger than the sum of its proper divisors (1591066).

2121412 is a wasteful number, since it uses less digits than its factorization.

2121412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 530357 (or 530355 counting only the distinct ones).

The product of its digits is 32, while the sum is 13.

The square root of 2121412 is about 1456.5067799362. The cubic root of 2121412 is about 128.4916798804.

Adding to 2121412 its reverse (2141212), we get a palindrome (4262624).

The spelling of 2121412 in words is "two million, one hundred twenty-one thousand, four hundred twelve".

Divisors: 1 2 4 530353 1060706 2121412