Base | Representation |
---|---|
bin | 100010010110000… |
… | …1011000100010101 |
3 | 2222022111112020211 |
4 | 1010230023010111 |
5 | 4330010232412 |
6 | 310204325421 |
7 | 40362332161 |
oct | 10454130425 |
9 | 2868445224 |
10 | 1152430357 |
11 | 541575a91 |
12 | 281b43871 |
13 | 1549aa370 |
14 | ad0a9ca1 |
15 | 6b290ca7 |
hex | 44b0b115 |
1152430357 has 16 divisors (see below), whose sum is σ = 1338891120. Its totient is φ = 982305792.
The previous prime is 1152430343. The next prime is 1152430381. The reversal of 1152430357 is 7530342511.
It is a happy number.
It can be written as a sum of positive squares in 8 ways, for example, as 84382596 + 1068047761 = 9186^2 + 32681^2 .
It is not a de Polignac number, because 1152430357 - 211 = 1152428309 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1152430957) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37482 + ... + 60907.
It is an arithmetic number, because the mean of its divisors is an integer number (83680695).
Almost surely, 21152430357 is an apocalyptic number.
1152430357 is a gapful number since it is divisible by the number (17) formed by its first and last digit.
It is an amenable number.
1152430357 is a deficient number, since it is larger than the sum of its proper divisors (186460763).
1152430357 is a wasteful number, since it uses less digits than its factorization.
1152430357 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 98472.
The product of its (nonzero) digits is 12600, while the sum is 31.
The square root of 1152430357 is about 33947.4646623279. The cubic root of 1152430357 is about 1048.4270801358.
Adding to 1152430357 its reverse (7530342511), we get a palindrome (8682772868).
The spelling of 1152430357 in words is "one billion, one hundred fifty-two million, four hundred thirty thousand, three hundred fifty-seven".
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