Base | Representation |
---|---|
bin | 10010110001001… |
… | …00011001110001 |
3 | 101222020112220122 |
4 | 21120210121301 |
5 | 310300414010 |
6 | 23342220025 |
7 | 3621115433 |
oct | 1130443161 |
9 | 358215818 |
10 | 157435505 |
11 | 80960697 |
12 | 44884615 |
13 | 26803406 |
14 | 16ca2653 |
15 | dc4c855 |
hex | 9624671 |
157435505 has 8 divisors (see below), whose sum is σ = 189882792. Its totient is φ = 125308288.
The previous prime is 157435489. The next prime is 157435517. The reversal of 157435505 is 505534751.
It can be written as a sum of positive squares in 4 ways, for example, as 12666481 + 144769024 = 3559^2 + 12032^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 157435505 - 24 = 157435489 is a prime.
It is a Duffinian number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 78932 + ... + 80901.
It is an arithmetic number, because the mean of its divisors is an integer number (23735349).
Almost surely, 2157435505 is an apocalyptic number.
It is an amenable number.
157435505 is a deficient number, since it is larger than the sum of its proper divisors (32447287).
157435505 is a wasteful number, since it uses less digits than its factorization.
157435505 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 160035.
The product of its (nonzero) digits is 52500, while the sum is 35.
The square root of 157435505 is about 12547.3305926002. The cubic root of 157435505 is about 539.9674248754.
The spelling of 157435505 in words is "one hundred fifty-seven million, four hundred thirty-five thousand, five hundred five".
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