Search a number
-
+
1020404230 = 255315712263
BaseRepresentation
bin111100110100100…
…010001000000110
32122010001220110021
4330310202020012
54042210413410
6245130445354
734200202306
oct7464421006
92563056407
101020404230
11483a9a88a
1224589385a
131335325b1
149973d606
155e8b1eda
hex3cd22206

1020404230 has 32 divisors (see below), whose sum is σ = 1883456064. Its totient is φ = 397877376.

The previous prime is 1020404227. The next prime is 1020404377. The reversal of 1020404230 is 324040201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 77079 + ... + 89341.

It is an arithmetic number, because the mean of its divisors is an integer number (58858002).

Almost surely, 21020404230 is an apocalyptic number.

1020404230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1020404230 is a deficient number, since it is larger than the sum of its proper divisors (863051834).

1020404230 is a wasteful number, since it uses less digits than its factorization.

1020404230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12480.

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 1020404230 is about 31943.7666845975. The cubic root of 1020404230 is about 1006.7556681734.

Adding to 1020404230 its reverse (324040201), we get a palindrome (1344444431).

The spelling of 1020404230 in words is "one billion, twenty million, four hundred four thousand, two hundred thirty".

Divisors: 1 2 5 10 53 106 157 265 314 530 785 1570 8321 12263 16642 24526 41605 61315 83210 122630 649939 1299878 1925291 3249695 3850582 6499390 9626455 19252910 102040423 204080846 510202115 1020404230