Search a number
-
+
1223004030 = 235271150431
BaseRepresentation
bin100100011100101…
…1000111101111110
310011020022001010120
41020321120331332
510001042112110
6321205115410
742210235263
oct11071307576
93136261116
101223004030
11578399036
122a16b8b66
131664ba031
14b85db26a
1572581870
hex48e58f7e

1223004030 has 32 divisors (see below), whose sum is σ = 2946060288. Its totient is φ = 324928800.

The previous prime is 1223004023. The next prime is 1223004053. The reversal of 1223004030 is 304003221.

It is a Harshad number since it is a multiple of its sum of digits (15).

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, 67086 + ... + 83345.

It is an arithmetic number, because the mean of its divisors is an integer number (92064384).

Almost surely, 21223004030 is an apocalyptic number.

1223004030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1223004030 is an abundant number, since it is smaller than the sum of its proper divisors (1723056258).

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

1223004030 is a wasteful number, since it uses less digits than its factorization.

1223004030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150712.

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 1223004030 is about 34971.4745185272. The cubic root of 1223004030 is about 1069.4060318885.

Adding to 1223004030 its reverse (304003221), we get a palindrome (1527007251).

The spelling of 1223004030 in words is "one billion, two hundred twenty-three million, four thousand, thirty".

Divisors: 1 2 3 5 6 10 15 30 271 542 813 1355 1626 2710 4065 8130 150431 300862 451293 752155 902586 1504310 2256465 4512930 40766801 81533602 122300403 203834005 244600806 407668010 611502015 1223004030