Base | Representation |
---|---|
bin | 100100101011000… |
… | …1011110101010000 |
3 | 10011202111112112211 |
4 | 1021112023311100 |
5 | 10010010134100 |
6 | 322035001504 |
7 | 42331344220 |
oct | 11126136520 |
9 | 3152445484 |
10 | 1230552400 |
11 | 581684260 |
12 | 2a4139294 |
13 | 167c30a1c |
14 | b9604080 |
15 | 730731ba |
hex | 4958bd50 |
1230552400 has 120 divisors (see below), whose sum is σ = 3685996224. Its totient is φ = 383539200.
The previous prime is 1230552383. The next prime is 1230552469. The reversal of 1230552400 is 42550321.
It is a Harshad number since it is a multiple of its sum of digits (22).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10824 + ... + 50776.
Almost surely, 21230552400 is an apocalyptic number.
1230552400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 1230552400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1842998112).
1230552400 is an abundant number, since it is smaller than the sum of its proper divisors (2455443824).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1230552400 is a wasteful number, since it uses less digits than its factorization.
1230552400 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 39989 (or 39978 counting only the distinct ones).
The product of its (nonzero) digits is 1200, while the sum is 22.
The square root of 1230552400 is about 35079.2303222291. The cubic root of 1230552400 is about 1071.6016424757.
The spelling of 1230552400 in words is "one billion, two hundred thirty million, five hundred fifty-two thousand, four hundred".
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