Search a number
-
+
1020403224 = 23334724089
BaseRepresentation
bin111100110100100…
…001111000011000
32122010001212002000
4330310201320120
54042210400344
6245130441000
734200166341
oct7464417030
92563055060
101020403224
11483a9a055
12245893160
13133531cb9
149973d0c8
155e8b1a69
hex3cd21e18

1020403224 has 32 divisors (see below), whose sum is σ = 2834454000. Its totient is φ = 340134336.

The previous prime is 1020403213. The next prime is 1020403231. The reversal of 1020403224 is 4223040201.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 1020403197 and 1020403206.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2361829 + ... + 2362260.

Almost surely, 21020403224 is an apocalyptic number.

It is an amenable number.

1020403224 is an abundant number, since it is smaller than the sum of its proper divisors (1814050776).

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

1020403224 is a wasteful number, since it uses less digits than its factorization.

1020403224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4724104 (or 4724094 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 1020403224 is about 31943.7509381726. The cubic root of 1020403224 is about 1006.7553373253.

Adding to 1020403224 its reverse (4223040201), we get a palindrome (5243443425).

The spelling of 1020403224 in words is "one billion, twenty million, four hundred three thousand, two hundred twenty-four".

Divisors: 1 2 3 4 6 8 9 12 18 24 27 36 54 72 108 216 4724089 9448178 14172267 18896356 28344534 37792712 42516801 56689068 85033602 113378136 127550403 170067204 255100806 340134408 510201612 1020403224