Search a number
-
+
125530533 = 3317491557
BaseRepresentation
bin1110111101101…
…11000110100101
322202012121112000
413132313012211
5224113434113
620242315513
73052664142
oct736670645
9282177460
10125530533
1164949a47
1236058b99
132001232b
14129593c9
15b049373
hex77b71a5

125530533 has 32 divisors (see below), whose sum is σ = 197665920. Its totient is φ = 78462720.

The previous prime is 125530507. The next prime is 125530547. The reversal of 125530533 is 335035521.

125530533 is a `hidden beast` number, since 125 + 5 + 3 + 0 + 533 = 666.

It is not a de Polignac number, because 125530533 - 26 = 125530469 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 125530497 and 125530506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125530133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 225091 + ... + 225647.

It is an arithmetic number, because the mean of its divisors is an integer number (6177060).

Almost surely, 2125530533 is an apocalyptic number.

It is an amenable number.

125530533 is a deficient number, since it is larger than the sum of its proper divisors (72135387).

125530533 is a wasteful number, since it uses less digits than its factorization.

125530533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1074 (or 1068 counting only the distinct ones).

The product of its (nonzero) digits is 6750, while the sum is 27.

The square root of 125530533 is about 11204.0409228099. The cubic root of 125530533 is about 500.7063789210.

The spelling of 125530533 in words is "one hundred twenty-five million, five hundred thirty thousand, five hundred thirty-three".

Divisors: 1 3 9 17 27 51 153 459 491 557 1473 1671 4419 5013 8347 9469 13257 15039 25041 28407 75123 85221 225369 255663 273487 820461 2461383 4649279 7384149 13947837 41843511 125530533