Base | Representation |
---|---|
bin | 1000111100100011… |
… | …1101010001101001 |
3 | 20012100211100000000 |
4 | 2033020331101221 |
5 | 14404240140100 |
6 | 1034144133213 |
7 | 113340220434 |
oct | 21710752151 |
9 | 6170740000 |
10 | 2401490025 |
11 | 1022640000 |
12 | 570307209 |
13 | 2c36bac1c |
14 | 18ad2a81b |
15 | e0c6c900 |
hex | 8f23d469 |
2401490025 has 135 divisors (see below), whose sum is σ = 4913168455. Its totient is φ = 1164358800.
The previous prime is 2401489999. The next prime is 2401490027. The reversal of 2401490025 is 5200941042.
The square root of 2401490025 is 49005.
It is a perfect power (a square), and thus also a powerful number.
2401490025 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in only one way, i.e., 864536409 + 1536953616 = 29403^2 + 39204^2 .
It is a tau number, because it is divible by the number of its divisors (135).
It is not a de Polignac number, because 2401490025 - 27 = 2401489897 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is not an unprimeable number, because it can be changed into a prime (2401490027) by changing a digit.
It is a polite number, since it can be written in 134 ways as a sum of consecutive naturals, for example, 218317270 + ... + 218317280.
Almost surely, 22401490025 is an apocalyptic number.
2401490025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.
2401490025 is the 49005-th square number.
2401490025 is the 24503-rd centered octagonal number.
It is an amenable number.
2401490025 is an abundant number, since it is smaller than the sum of its proper divisors (2511678430).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2401490025 is an frugal number, since it uses more digits than its factorization.
2401490025 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 78 (or 19 counting only the distinct ones).
The product of its (nonzero) digits is 2880, while the sum is 27.
The cubic root of 2401490025 is about 1339.1429183526.
The spelling of 2401490025 in words is "two billion, four hundred one million, four hundred ninety thousand, twenty-five".
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