Search a number
-
+
69585428 = 22111581487
BaseRepresentation
bin1000010010111…
…00101000010100
311211221022021002
410021130220110
5120303213203
610523242432
71503315653
oct411345024
9154838232
1069585428
1136308620
121b379418
1311554c13
14935519a
156197d88
hex425ca14

69585428 has 12 divisors (see below), whose sum is σ = 132844992. Its totient is φ = 31629720.

The previous prime is 69585409. The next prime is 69585469. The reversal of 69585428 is 82458596.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 790700 + ... + 790787.

It is an arithmetic number, because the mean of its divisors is an integer number (11070416).

Almost surely, 269585428 is an apocalyptic number.

It is an amenable number.

69585428 is a deficient number, since it is larger than the sum of its proper divisors (63259564).

69585428 is a wasteful number, since it uses less digits than its factorization.

69585428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1581502 (or 1581500 counting only the distinct ones).

The product of its digits is 691200, while the sum is 47.

The square root of 69585428 is about 8341.7880577248. The cubic root of 69585428 is about 411.3133139771.

The spelling of 69585428 in words is "sixty-nine million, five hundred eighty-five thousand, four hundred twenty-eight".

Divisors: 1 2 4 11 22 44 1581487 3162974 6325948 17396357 34792714 69585428