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87174242 = 2192294059
BaseRepresentation
bin1010011001000…
…10110001100010
320002000220120122
411030202301202
5134304033432
612352240242
72105653211
oct514426142
9202026518
1087174242
1145231331
1225240082
13150a29bc
14b813078
1579be612
hex5322c62

87174242 has 8 divisors (see below), whose sum is σ = 137643600. Its totient is φ = 41293044.

The previous prime is 87174229. The next prime is 87174271. The reversal of 87174242 is 24247178.

It is a happy number.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1146992 + ... + 1147067.

It is an arithmetic number, because the mean of its divisors is an integer number (17205450).

Almost surely, 287174242 is an apocalyptic number.

87174242 is a deficient number, since it is larger than the sum of its proper divisors (50469358).

87174242 is a wasteful number, since it uses less digits than its factorization.

87174242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2294080.

The product of its digits is 25088, while the sum is 35.

The square root of 87174242 is about 9336.7147327098. The cubic root of 87174242 is about 443.4003789280.

The spelling of 87174242 in words is "eighty-seven million, one hundred seventy-four thousand, two hundred forty-two".

Divisors: 1 2 19 38 2294059 4588118 43587121 87174242