Base | Representation |
---|---|
bin | 100101001111001… |
… | …0010000001111000 |
3 | 10020002001202010122 |
4 | 1022132102001320 |
5 | 10024324432102 |
6 | 323552032412 |
7 | 42651111434 |
oct | 11236220170 |
9 | 3202052118 |
10 | 1249452152 |
11 | 591312993 |
12 | 2aa532708 |
13 | 16bb1a400 |
14 | bbd239c4 |
15 | 74a580a2 |
hex | 4a792078 |
1249452152 has 24 divisors (see below), whose sum is σ = 2536797240. Its totient is φ = 576669600.
The previous prime is 1249452143. The next prime is 1249452181. The reversal of 1249452152 is 2512549421.
It is a super-2 number, since 2×12494521522 = 3122261360274862208, which contains 22 as substring.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 460724 + ... + 463427.
It is an arithmetic number, because the mean of its divisors is an integer number (105699885).
Almost surely, 21249452152 is an apocalyptic number.
It is an amenable number.
1249452152 is an abundant number, since it is smaller than the sum of its proper divisors (1287345088).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1249452152 is a wasteful number, since it uses less digits than its factorization.
1249452152 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 924183 (or 924166 counting only the distinct ones).
The product of its digits is 28800, while the sum is 35.
The square root of 1249452152 is about 35347.5904695073. The cubic root of 1249452152 is about 1077.0599483210.
It can be divided in two parts, 12494 and 52152, that added together give a palindrome (64646).
The spelling of 1249452152 in words is "one billion, two hundred forty-nine million, four hundred fifty-two thousand, one hundred fifty-two".
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