Search a number
-
+
69287125 = 533771211
BaseRepresentation
bin1000010000100…
…11110011010101
311211101011001211
410020103303111
5120214142000
610513021421
71500634165
oct410236325
9154334054
1069287125
1136124496
121b254871
131147c1cb
1492b85a5
1561397ba
hex4213cd5

69287125 has 32 divisors (see below), whose sum is σ = 90484992. Its totient is φ = 52920000.

The previous prime is 69287117. The next prime is 69287143. The reversal of 69287125 is 52178296.

It is not a de Polignac number, because 69287125 - 23 = 69287117 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 328270 + ... + 328480.

It is an arithmetic number, because the mean of its divisors is an integer number (2827656).

Almost surely, 269287125 is an apocalyptic number.

It is an amenable number.

69287125 is a deficient number, since it is larger than the sum of its proper divisors (21197867).

69287125 is a wasteful number, since it uses less digits than its factorization.

69287125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 334 (or 324 counting only the distinct ones).

The product of its digits is 60480, while the sum is 40.

The square root of 69287125 is about 8323.8888147308. Note that the first 4 decimals coincide. The cubic root of 69287125 is about 410.7247245524.

The spelling of 69287125 in words is "sixty-nine million, two hundred eighty-seven thousand, one hundred twenty-five".

Divisors: 1 5 25 37 71 125 185 211 355 925 1055 1775 2627 4625 5275 7807 8875 13135 14981 26375 39035 65675 74905 195175 328375 374525 554297 975875 1872625 2771485 13857425 69287125