Search a number
-
+
1022144 = 2615971
BaseRepresentation
bin11111001100011000000
31220221010012
43321203000
5230202034
633524052
711455004
oct3714300
91827105
101022144
11638a52
12413628
1329a326
141c8704
15152cce
hexf98c0

1022144 has 14 divisors (see below), whose sum is σ = 2028444. Its totient is φ = 511040.

The previous prime is 1022141. The next prime is 1022167. The reversal of 1022144 is 4412201.

It is a zygodrome in base 2.

It is not an unprimeable number, because it can be changed into a prime (1022141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7922 + ... + 8049.

21022144 is an apocalyptic number.

It is an amenable number.

1022144 is a deficient number, since it is larger than the sum of its proper divisors (1006300).

1022144 is an equidigital number, since it uses as much as digits as its factorization.

1022144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15983 (or 15973 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

The square root of 1022144 is about 1011.0113748124. The cubic root of 1022144 is about 100.7327509790.

Adding to 1022144 its reverse (4412201), we get a palindrome (5434345).

The spelling of 1022144 in words is "one million, twenty-two thousand, one hundred forty-four".

Divisors: 1 2 4 8 16 32 64 15971 31942 63884 127768 255536 511072 1022144