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1227132630 = 232513634807
BaseRepresentation
bin100100100100100…
…1000111011010110
310011112001210111200
41021021020323112
510003121221010
6321433413330
742260312103
oct11111107326
93145053450
101227132630
1157a7589a9
122a2b6a246
131673042a9
14b8d93aaa
1572ae9cc0
hex49248ed6

1227132630 has 24 divisors (see below), whose sum is σ = 3190545072. Its totient is φ = 327235344.

The previous prime is 1227132617. The next prime is 1227132649. The reversal of 1227132630 is 362317221.

1227132630 is a `hidden beast` number, since 1 + 2 + 27 + 1 + 3 + 2 + 630 = 666.

It is a super-2 number, since 2×12271326302 = 3011708983221433800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1227132594 and 1227132603.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6817314 + ... + 6817493.

It is an arithmetic number, because the mean of its divisors is an integer number (132939378).

Almost surely, 21227132630 is an apocalyptic number.

1227132630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1227132630 is an abundant number, since it is smaller than the sum of its proper divisors (1963412442).

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

1227132630 is a wasteful number, since it uses less digits than its factorization.

1227132630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13634820 (or 13634817 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 27.

The square root of 1227132630 is about 35030.4528945887. The cubic root of 1227132630 is about 1070.6080423293.

Adding to 1227132630 its reverse (362317221), we get a palindrome (1589449851).

The spelling of 1227132630 in words is "one billion, two hundred twenty-seven million, one hundred thirty-two thousand, six hundred thirty".

Divisors: 1 2 3 5 6 9 10 15 18 30 45 90 13634807 27269614 40904421 68174035 81808842 122713263 136348070 204522105 245426526 409044210 613566315 1227132630