Search a number
-
+
1220342301 = 33292223241
BaseRepresentation
bin100100010111100…
…1111001000011101
310011001021210221000
41020233033020131
54444401423201
6321032100513
742145511163
oct11057171035
93131253830
101220342301
11576940262
122a0834739
13165a97649
14b8107233
1572207d86
hex48bcf21d

1220342301 has 48 divisors (see below), whose sum is σ = 1888606720. Its totient is φ = 778740480.

The previous prime is 1220342273. The next prime is 1220342323. The reversal of 1220342301 is 1032430221.

1220342301 is a `hidden beast` number, since 1 + 2 + 20 + 342 + 301 = 666.

It is not a de Polignac number, because 1220342301 - 26 = 1220342237 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1220342351) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5063541 + ... + 5063781.

Almost surely, 21220342301 is an apocalyptic number.

It is an amenable number.

1220342301 is a deficient number, since it is larger than the sum of its proper divisors (668264419).

1220342301 is a wasteful number, since it uses less digits than its factorization.

1220342301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 531 (or 496 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 1220342301 is about 34933.3980740494. The cubic root of 1220342301 is about 1068.6296549010.

Adding to 1220342301 its reverse (1032430221), we get a palindrome (2252772522).

The spelling of 1220342301 in words is "one billion, two hundred twenty million, three hundred forty-two thousand, three hundred one".

Divisors: 1 3 9 27 29 87 223 241 261 669 723 783 841 2007 2169 2523 6021 6467 6507 6989 7569 19401 20967 22707 53743 58203 62901 161229 174609 187543 188703 202681 483687 562629 608043 1451061 1558547 1687887 1824129 4675641 5063661 5472387 14026923 42080769 45197863 135593589 406780767 1220342301