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232520464 = 24111321139
BaseRepresentation
bin11011101101111…
…11101100010000
3121012112021010001
431312333230100
5434011123324
635023415344
75522251141
oct1566775420
9535467101
10232520464
1110a285080
1265a54554
1339232597
1422c49ac8
151562ee44
hexddbfb10

232520464 has 20 divisors (see below), whose sum is σ = 491464080. Its totient is φ = 105691040.

The previous prime is 232520447. The next prime is 232520467. The reversal of 232520464 is 464025232.

It is not an unprimeable number, because it can be changed into a prime (232520467) 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 3 ways as a sum of consecutive naturals, for example, 660394 + ... + 660745.

It is an arithmetic number, because the mean of its divisors is an integer number (24573204).

Almost surely, 2232520464 is an apocalyptic number.

It is an amenable number.

232520464 is an abundant number, since it is smaller than the sum of its proper divisors (258943616).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

232520464 is a wasteful number, since it uses less digits than its factorization.

232520464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1321158 (or 1321152 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 28.

The square root of 232520464 is about 15248.6217082069. The cubic root of 232520464 is about 614.9225134270.

Adding to 232520464 its reverse (464025232), we get a palindrome (696545696).

The spelling of 232520464 in words is "two hundred thirty-two million, five hundred twenty thousand, four hundred sixty-four".

Divisors: 1 2 4 8 11 16 22 44 88 176 1321139 2642278 5284556 10569112 14532529 21138224 29065058 58130116 116260232 232520464