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87345134 = 259898317
BaseRepresentation
bin1010011010011…
…00011111101110
320002100120222222
411031030133232
5134330021014
612400035342
72110264352
oct515143756
9202316888
1087345134
1145338768
1225302b52
1315132716
14b859462
157a0508e
hex534c7ee

87345134 has 16 divisors (see below), whose sum is σ = 134751600. Its totient is φ = 42444864.

The previous prime is 87345131. The next prime is 87345143. The reversal of 87345134 is 43154378.

It is a junction number, because it is equal to n+sod(n) for n = 87345094 and 87345103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87345131) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6344 + ... + 14660.

It is an arithmetic number, because the mean of its divisors is an integer number (8421975).

Almost surely, 287345134 is an apocalyptic number.

87345134 is a deficient number, since it is larger than the sum of its proper divisors (47406466).

87345134 is a wasteful number, since it uses less digits than its factorization.

87345134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8467.

The product of its digits is 40320, while the sum is 35.

The square root of 87345134 is about 9345.8618650181. The cubic root of 87345134 is about 443.6899297381.

The spelling of 87345134 in words is "eighty-seven million, three hundred forty-five thousand, one hundred thirty-four".

Divisors: 1 2 59 89 118 178 5251 8317 10502 16634 490703 740213 981406 1480426 43672567 87345134