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87034394 = 2291500593
BaseRepresentation
bin1010011000000…
…00101000011010
320001202210202002
411030000220122
5134240100034
612345241002
72104531406
oct514005032
9201683662
1087034394
1145146257
1225193162
1315054155
14b7b8106
157992e7e
hex5300a1a

87034394 has 8 divisors (see below), whose sum is σ = 135053460. Its totient is φ = 42016576.

The previous prime is 87034351. The next prime is 87034399. The reversal of 87034394 is 49343078.

It can be written as a sum of positive squares in 2 ways, for example, as 81450625 + 5583769 = 9025^2 + 2363^2 .

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

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (87034399) 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, 750239 + ... + 750354.

Almost surely, 287034394 is an apocalyptic number.

87034394 is a deficient number, since it is larger than the sum of its proper divisors (48019066).

87034394 is a wasteful number, since it uses less digits than its factorization.

87034394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1500624.

The product of its (nonzero) digits is 72576, while the sum is 38.

The square root of 87034394 is about 9329.2225828308. Note that the first 3 decimals coincide. The cubic root of 87034394 is about 443.1631458373.

The spelling of 87034394 in words is "eighty-seven million, thirty-four thousand, three hundred ninety-four".

Divisors: 1 2 29 58 1500593 3001186 43517197 87034394