Search a number
-
+
87269265 = 3352922291
BaseRepresentation
bin1010011001110…
…01111110010001
320002012201221000
411030321332101
5134320104030
612354252213
72106530226
oct514717621
9202181830
1087269265
1145296766
1225287069
1315107025
14b83994d
1579dc860
hex5339f91

87269265 has 32 divisors (see below), whose sum is σ = 160502400. Its totient is φ = 44936640.

The previous prime is 87269263. The next prime is 87269293. The reversal of 87269265 is 56296278.

It is not a de Polignac number, because 87269265 - 21 = 87269263 is a prime.

It is a super-2 number, since 2×872692652 = 15231849227280450, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 87269265.

It is not an unprimeable number, because it can be changed into a prime (87269263) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7231 + ... + 15060.

It is an arithmetic number, because the mean of its divisors is an integer number (5015700).

Almost surely, 287269265 is an apocalyptic number.

It is an amenable number.

87269265 is a deficient number, since it is larger than the sum of its proper divisors (73233135).

87269265 is a wasteful number, since it uses less digits than its factorization.

87269265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22334 (or 22328 counting only the distinct ones).

The product of its digits is 362880, while the sum is 45.

The square root of 87269265 is about 9341.8020210236. The cubic root of 87269265 is about 443.5614277792.

The spelling of 87269265 in words is "eighty-seven million, two hundred sixty-nine thousand, two hundred sixty-five".

Divisors: 1 3 5 9 15 27 29 45 87 135 145 261 435 783 1305 3915 22291 66873 111455 200619 334365 601857 646439 1003095 1939317 3009285 3232195 5817951 9696585 17453853 29089755 87269265