Base | Representation |
---|---|
bin | 101011101000101… |
… | …0011101110010100 |
3 | 10210001001210010000 |
4 | 1113101103232110 |
5 | 10444310430103 |
6 | 401141531300 |
7 | 51166053360 |
oct | 12721235624 |
9 | 3701053100 |
10 | 1464155028 |
11 | 691528386 |
12 | 34a413b30 |
13 | 1a4451a2b |
14 | dc6522a0 |
15 | 88818aa3 |
hex | 57453b94 |
1464155028 has 60 divisors (see below), whose sum is σ = 4374395872. Its totient is φ = 418329360.
The previous prime is 1464155027. The next prime is 1464155071. The reversal of 1464155028 is 8205514641.
It is a happy number.
1464155028 is a `hidden beast` number, since 1 + 4 + 641 + 5 + 5 + 0 + 2 + 8 = 666.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a junction number, because it is equal to n+sod(n) for n = 1464154983 and 1464155001.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1464155027) by changing a digit.
It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 320518 + ... + 325053.
Almost surely, 21464155028 is an apocalyptic number.
1464155028 is a gapful number since it is divisible by the number (18) formed by its first and last digit.
It is an amenable number.
1464155028 is an abundant number, since it is smaller than the sum of its proper divisors (2910240844).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1464155028 is a wasteful number, since it uses less digits than its factorization.
1464155028 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 645594 (or 645583 counting only the distinct ones).
The product of its (nonzero) digits is 38400, while the sum is 36.
The square root of 1464155028 is about 38264.2787466326. The cubic root of 1464155028 is about 1135.5223527968.
Adding to 1464155028 its reverse (8205514641), we get a palindrome (9669669669).
The spelling of 1464155028 in words is "one billion, four hundred sixty-four million, one hundred fifty-five thousand, twenty-eight".
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