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87025026 = 231110712323
BaseRepresentation
bin1010010111111…
…10010110000010
320001202022220010
411023332112002
5134234300101
612345125350
72104462164
oct513762602
9201668803
1087025026
114513a210
1225189856
131504caca
14b7b4934
1579902d6
hex52fe582

87025026 has 32 divisors (see below), whose sum is σ = 191662848. Its totient is φ = 26122640.

The previous prime is 87025013. The next prime is 87025039. The reversal of 87025026 is 62052078.

It is an interprime number because it is at equal distance from previous prime (87025013) and next prime (87025039).

It is a junction number, because it is equal to n+sod(n) for n = 87024984 and 87025002.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 901 + ... + 13223.

It is an arithmetic number, because the mean of its divisors is an integer number (5989464).

Almost surely, 287025026 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 87025026, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (95831424).

87025026 is an abundant number, since it is smaller than the sum of its proper divisors (104637822).

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

87025026 is a wasteful number, since it uses less digits than its factorization.

87025026 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12446.

The product of its (nonzero) digits is 6720, while the sum is 30.

The square root of 87025026 is about 9328.7204910427. The cubic root of 87025026 is about 443.1472452217.

The spelling of 87025026 in words is "eighty-seven million, twenty-five thousand, twenty-six".

Divisors: 1 2 3 6 11 22 33 66 107 214 321 642 1177 2354 3531 7062 12323 24646 36969 73938 135553 271106 406659 813318 1318561 2637122 3955683 7911366 14504171 29008342 43512513 87025026