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87492406 = 259373771
BaseRepresentation
bin1010011011100…
…00011100110110
320002122002000111
411031300130312
5134344224111
612403133234
72111446621
oct515603466
9202562014
1087492406
1145429381
122537421a
1315184771
14b896db8
157a33a21
hex5370736

87492406 has 8 divisors (see below), whose sum is σ = 131461704. Its totient is φ = 43671840.

The previous prime is 87492343. The next prime is 87492439. The reversal of 87492406 is 60429478.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×874924062 = 15309842215337672, which contains 22 as substring.

It is a congruent number.

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, 35700 + ... + 38071.

It is an arithmetic number, because the mean of its divisors is an integer number (16432713).

Almost surely, 287492406 is an apocalyptic number.

87492406 is a deficient number, since it is larger than the sum of its proper divisors (43969298).

87492406 is a wasteful number, since it uses less digits than its factorization.

87492406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74366.

The product of its (nonzero) digits is 96768, while the sum is 40.

The square root of 87492406 is about 9353.7375417530. The cubic root of 87492406 is about 443.9391571798.

The spelling of 87492406 in words is "eighty-seven million, four hundred ninety-two thousand, four hundred six".

Divisors: 1 2 593 1186 73771 147542 43746203 87492406