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87250302 = 2324847239
BaseRepresentation
bin1010011001101…
…01010101111110
320002011202220200
411030311111332
5134314002202
612354024330
72106421026
oct514652576
9202152820
1087250302
1145283497
12252780a6
13150cb4c9
14b832a86
1579d6e1c
hex533557e

87250302 has 12 divisors (see below), whose sum is σ = 189042360. Its totient is φ = 29083428.

The previous prime is 87250297. The next prime is 87250309. The reversal of 87250302 is 20305278.

It is a super-2 number, since 2×872503022 = 15225230398182408, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87250309) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2423602 + ... + 2423637.

It is an arithmetic number, because the mean of its divisors is an integer number (15753530).

Almost surely, 287250302 is an apocalyptic number.

87250302 is an abundant number, since it is smaller than the sum of its proper divisors (101792058).

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

87250302 is a wasteful number, since it uses less digits than its factorization.

87250302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4847247 (or 4847244 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 27.

The square root of 87250302 is about 9340.7870118101. The cubic root of 87250302 is about 443.5292978548.

The spelling of 87250302 in words is "eighty-seven million, two hundred fifty thousand, three hundred two".

Divisors: 1 2 3 6 9 18 4847239 9694478 14541717 29083434 43625151 87250302