Search a number
-
+
1254225530 = 251927723831
BaseRepresentation
bin100101011000001…
…1111011001111010
310020102001020222102
41022300133121322
510032040204110
6324242223402
743036512125
oct11260373172
93212036872
101254225530
11593a83228
122b0054b62
1316cacbcac
14bc8073bc
157519c5a5
hex4ac1f67a

1254225530 has 32 divisors (see below), whose sum is σ = 2385106560. Its totient is φ = 473549760.

The previous prime is 1254225527. The next prime is 1254225551. The reversal of 1254225530 is 355224521.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1254225493 and 1254225502.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40715 + ... + 64545.

It is an arithmetic number, because the mean of its divisors is an integer number (74534580).

Almost surely, 21254225530 is an apocalyptic number.

1254225530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1254225530 is a deficient number, since it is larger than the sum of its proper divisors (1130881030).

1254225530 is a wasteful number, since it uses less digits than its factorization.

1254225530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24134.

The product of its (nonzero) digits is 12000, while the sum is 29.

The square root of 1254225530 is about 35415.0466609886. The cubic root of 1254225530 is about 1078.4297969621.

The spelling of 1254225530 in words is "one billion, two hundred fifty-four million, two hundred twenty-five thousand, five hundred thirty".

Divisors: 1 2 5 10 19 38 95 190 277 554 1385 2770 5263 10526 23831 26315 47662 52630 119155 238310 452789 905578 2263945 4527890 6601187 13202374 33005935 66011870 125422553 250845106 627112765 1254225530