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87480748 = 22432292221
BaseRepresentation
bin1010011011011…
…01100110101100
320002121111000201
411031231212230
5134343340443
612403003244
72111400625
oct515554654
9202544021
1087480748
1145420643
1225369524
131517c374
14b892a4c
157a3034d
hex536d9ac

87480748 has 24 divisors (see below), whose sum is σ = 157406480. Its totient is φ = 42517440.

The previous prime is 87480727. The next prime is 87480773. The reversal of 87480748 is 84708478.

It is a super-3 number, since 3×874807483 (a number of 25 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 87480698 and 87480707.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38278 + ... + 40498.

Almost surely, 287480748 is an apocalyptic number.

It is an amenable number.

87480748 is a deficient number, since it is larger than the sum of its proper divisors (69925732).

87480748 is a wasteful number, since it uses less digits than its factorization.

87480748 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2497 (or 2495 counting only the distinct ones).

The product of its (nonzero) digits is 401408, while the sum is 46.

The square root of 87480748 is about 9353.1143476384. The cubic root of 87480748 is about 443.9194386205.

The spelling of 87480748 in words is "eighty-seven million, four hundred eighty thousand, seven hundred forty-eight".

Divisors: 1 2 4 43 86 172 229 458 916 2221 4442 8884 9847 19694 39388 95503 191006 382012 508609 1017218 2034436 21870187 43740374 87480748