Search a number
-
+
532087257 = 31316383701
BaseRepresentation
bin11111101101110…
…000000111011001
31101002012211111110
4133231300013121
52042203243012
6124444250533
716120444542
oct3755600731
91332184443
10532087257
11253393039
1212a240a49
138630b140
14509494c9
1531aa573c
hex1fb701d9

532087257 has 16 divisors (see below), whose sum is σ = 768719168. Its totient is φ = 325425600.

The previous prime is 532087253. The next prime is 532087321. The reversal of 532087257 is 752780235.

It is not a de Polignac number, because 532087257 - 22 = 532087253 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (532087253) 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 15 ways as a sum of consecutive naturals, for example, 35494 + ... + 48207.

It is an arithmetic number, because the mean of its divisors is an integer number (48044948).

Almost surely, 2532087257 is an apocalyptic number.

It is an amenable number.

532087257 is a deficient number, since it is larger than the sum of its proper divisors (236631911).

532087257 is a wasteful number, since it uses less digits than its factorization.

532087257 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83880.

The product of its (nonzero) digits is 117600, while the sum is 39.

The square root of 532087257 is about 23067.0166471523. The cubic root of 532087257 is about 810.3281995719.

The spelling of 532087257 in words is "five hundred thirty-two million, eighty-seven thousand, two hundred fifty-seven".

Divisors: 1 3 13 39 163 489 2119 6357 83701 251103 1088113 3264339 13643263 40929789 177362419 532087257