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87282416 = 24134191
BaseRepresentation
bin1010011001111…
…01001011110000
320002020101222002
411030331023300
5134321014131
612354433132
72106613454
oct514751360
9202211862
1087282416
11452a5631
12252927a8
1315110000
14b840664
1579e16cb
hex533d2f0

87282416 has 50 divisors (see below), whose sum is σ = 184160832. Its totient is φ = 40073280.

The previous prime is 87282353. The next prime is 87282449. The reversal of 87282416 is 61428278.

It is a self number, because there is not a number n which added to its sum of digits gives 87282416.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 456881 + ... + 457071.

Almost surely, 287282416 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 87282416, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (92080416).

87282416 is an abundant number, since it is smaller than the sum of its proper divisors (96878416).

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

87282416 is an equidigital number, since it uses as much as digits as its factorization.

87282416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 251 (or 206 counting only the distinct ones).

The product of its digits is 43008, while the sum is 38.

The square root of 87282416 is about 9342.5058736936. The cubic root of 87282416 is about 443.5837074189.

The spelling of 87282416 in words is "eighty-seven million, two hundred eighty-two thousand, four hundred sixteen".

Divisors: 1 2 4 8 13 16 26 52 104 169 191 208 338 382 676 764 1352 1528 2197 2483 2704 3056 4394 4966 8788 9932 17576 19864 28561 32279 35152 39728 57122 64558 114244 129116 228488 258232 419627 456976 516464 839254 1678508 3357016 5455151 6714032 10910302 21820604 43641208 87282416