Search a number
-
+
1223435130 = 23540781171
BaseRepresentation
bin100100011101100…
…0010001101111010
310011021002221111020
41020323002031322
510001144411010
6321222243310
742214012161
oct11073021572
93137087436
101223435130
11578662a15
122a1886536
1316660b318
14b86b03d8
1572619470
hex48ec237a

1223435130 has 16 divisors (see below), whose sum is σ = 2936244384. Its totient is φ = 326249360.

The previous prime is 1223435123. The next prime is 1223435177. The reversal of 1223435130 is 315343221.

It is a self number, because there is not a number n which added to its sum of digits gives 1223435130.

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, 20390556 + ... + 20390615.

It is an arithmetic number, because the mean of its divisors is an integer number (183515274).

Almost surely, 21223435130 is an apocalyptic number.

1223435130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1223435130 is an abundant number, since it is smaller than the sum of its proper divisors (1712809254).

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

1223435130 is a wasteful number, since it uses less digits than its factorization.

1223435130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40781181.

The product of its (nonzero) digits is 2160, while the sum is 24.

The square root of 1223435130 is about 34977.6375703105. The cubic root of 1223435130 is about 1069.5316697362.

Adding to 1223435130 its reverse (315343221), we get a palindrome (1538778351).

The spelling of 1223435130 in words is "one billion, two hundred twenty-three million, four hundred thirty-five thousand, one hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 40781171 81562342 122343513 203905855 244687026 407811710 611717565 1223435130