Base | Representation |
---|---|
bin | 10010001011110… |
… | …01110000000111 |
3 | 101122000221120200 |
4 | 21011321300013 |
5 | 303022322330 |
6 | 23045301543 |
7 | 3531405330 |
oct | 1105716007 |
9 | 348027520 |
10 | 152542215 |
11 | 79119251 |
12 | 431048b3 |
13 | 257ac087 |
14 | 1638b287 |
15 | d5d2a60 |
hex | 9179c07 |
152542215 has 48 divisors (see below), whose sum is σ = 307914048. Its totient is φ = 68410368.
The previous prime is 152542211. The next prime is 152542217. The reversal of 152542215 is 512245251.
It is not a de Polignac number, because 152542215 - 22 = 152542211 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (152542211) by changing a digit.
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 47 ways as a sum of consecutive naturals, for example, 12127 + ... + 21263.
It is an arithmetic number, because the mean of its divisors is an integer number (6414876).
Almost surely, 2152542215 is an apocalyptic number.
152542215 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
152542215 is an abundant number, since it is smaller than the sum of its proper divisors (155371833).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
152542215 is a wasteful number, since it uses less digits than its factorization.
152542215 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 9208 (or 9205 counting only the distinct ones).
The product of its digits is 4000, while the sum is 27.
The square root of 152542215 is about 12350.7981523463. The cubic root of 152542215 is about 534.3141588678.
Adding to 152542215 its reverse (512245251), we get a palindrome (664787466).
The spelling of 152542215 in words is "one hundred fifty-two million, five hundred forty-two thousand, two hundred fifteen".
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