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87104552 = 2313018369
BaseRepresentation
bin1010011000100…
…01110000101000
320001220100222112
411030101300220
5134244321202
612350541452
72105243063
oct514216050
9201810875
1087104552
1145193a37
1225207888
131507a072
14b7d58da
1579a8b52
hex5311c28

87104552 has 16 divisors (see below), whose sum is σ = 163466100. Its totient is φ = 43513600.

The previous prime is 87104539. The next prime is 87104557. The reversal of 87104552 is 25540178.

It can be written as a sum of positive squares in 2 ways, for example, as 81468676 + 5635876 = 9026^2 + 2374^2 .

It is not an unprimeable number, because it can be changed into a prime (87104557) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6224 + ... + 14592.

Almost surely, 287104552 is an apocalyptic number.

It is an amenable number.

87104552 is a deficient number, since it is larger than the sum of its proper divisors (76361548).

87104552 is a wasteful number, since it uses less digits than its factorization.

87104552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9676 (or 9672 counting only the distinct ones).

The product of its (nonzero) digits is 11200, while the sum is 32.

The square root of 87104552 is about 9332.9819457663. The cubic root of 87104552 is about 443.2821910717.

The spelling of 87104552 in words is "eighty-seven million, one hundred four thousand, five hundred fifty-two".

Divisors: 1 2 4 8 1301 2602 5204 8369 10408 16738 33476 66952 10888069 21776138 43552276 87104552