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87273416 = 2361717681
BaseRepresentation
bin1010011001110…
…10111111001000
320002012221121202
411030322333020
5134320222131
612354323332
72106545306
oct514727710
9202187552
1087273416
114529989a
1225289548
1315108b99
14b83b276
1579ddbcb
hex533afc8

87273416 has 16 divisors (see below), whose sum is σ = 163912140. Its totient is φ = 43563520.

The previous prime is 87273409. The next prime is 87273437. The reversal of 87273416 is 61437278.

It can be written as a sum of positive squares in 2 ways, for example, as 72420100 + 14853316 = 8510^2 + 3854^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 87273416.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3905 + ... + 13776.

Almost surely, 287273416 is an apocalyptic number.

It is an amenable number.

87273416 is a deficient number, since it is larger than the sum of its proper divisors (76638724).

87273416 is a wasteful number, since it uses less digits than its factorization.

87273416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18304 (or 18300 counting only the distinct ones).

The product of its digits is 56448, while the sum is 38.

The square root of 87273416 is about 9342.0241917906. The cubic root of 87273416 is about 443.5684603975.

The spelling of 87273416 in words is "eighty-seven million, two hundred seventy-three thousand, four hundred sixteen".

Divisors: 1 2 4 8 617 1234 2468 4936 17681 35362 70724 141448 10909177 21818354 43636708 87273416