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80232465 = 3537144563
BaseRepresentation
bin1001100100001…
…00000000010001
312120222020020210
410302010000101
5131014414330
611543354333
71662651615
oct462040021
9176866223
1080232465
114131a925
1222a529a9
1313812141
14a927345
15709c8b0
hex4c84011

80232465 has 16 divisors (see below), whose sum is σ = 131842368. Its totient is φ = 41633856.

The previous prime is 80232461. The next prime is 80232511. The reversal of 80232465 is 56423208.

It is not a de Polignac number, because 80232465 - 22 = 80232461 is a prime.

It is not an unprimeable number, because it can be changed into a prime (80232461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 71727 + ... + 72836.

It is an arithmetic number, because the mean of its divisors is an integer number (8240148).

Almost surely, 280232465 is an apocalyptic number.

It is an amenable number.

80232465 is a deficient number, since it is larger than the sum of its proper divisors (51609903).

80232465 is a wasteful number, since it uses less digits than its factorization.

80232465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144608.

The product of its (nonzero) digits is 11520, while the sum is 30.

The square root of 80232465 is about 8957.2576718547. The cubic root of 80232465 is about 431.3038932857.

The spelling of 80232465 in words is "eighty million, two hundred thirty-two thousand, four hundred sixty-five".

Divisors: 1 3 5 15 37 111 185 555 144563 433689 722815 2168445 5348831 16046493 26744155 80232465