Base | Representation |
---|---|
bin | 1000011001001100… |
… | …1000011110110100 |
3 | 12211000201111210000 |
4 | 2012103020132310 |
5 | 14103302144140 |
6 | 1011325031300 |
7 | 106556364435 |
oct | 20623103664 |
9 | 5730644700 |
10 | 2253162420 |
11 | a56940303 |
12 | 52a6b5530 |
13 | 29ba56302 |
14 | 17535948c |
15 | d2c1da30 |
hex | 864c87b4 |
2253162420 has 60 divisors (see below), whose sum is σ = 7068259044. Its totient is φ = 600842880.
The previous prime is 2253162419. The next prime is 2253162449. The reversal of 2253162420 is 242613522.
It is a happy number.
2253162420 is a `hidden beast` number, since 2 + 2 + 5 + 31 + 624 + 2 + 0 = 666.
It can be written as a sum of positive squares in 2 ways, for example, as 1571012496 + 682149924 = 39636^2 + 26118^2 .
It is a tau number, because it is divible by the number of its divisors (60).
It is a super-3 number, since 3×22531624203 (a number of 29 digits) contains 333 as substring.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 693801 + ... + 697040.
Almost surely, 22253162420 is an apocalyptic number.
2253162420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
2253162420 is an abundant number, since it is smaller than the sum of its proper divisors (4815096624).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2253162420 is a wasteful number, since it uses less digits than its factorization.
2253162420 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1390862 (or 1390851 counting only the distinct ones).
The product of its (nonzero) digits is 5760, while the sum is 27.
The square root of 2253162420 is about 47467.4880312831. The cubic root of 2253162420 is about 1310.9843271118.
Adding to 2253162420 its reverse (242613522), we get a palindrome (2495775942).
The spelling of 2253162420 in words is "two billion, two hundred fifty-three million, one hundred sixty-two thousand, four hundred twenty".
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