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87342361 = 591480379
BaseRepresentation
bin1010011010010…
…11110100011001
320002100110012021
411031023310121
5134324423421
612400014441
72110253311
oct515136431
9202313167
1087342361
1145336677
1225301421
1315131392
14b858441
157a04341
hex534bd19

87342361 has 4 divisors (see below), whose sum is σ = 88822800. Its totient is φ = 85861924.

The previous prime is 87342349. The next prime is 87342371. The reversal of 87342361 is 16324378.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-87342361 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (87342371) 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, 740131 + ... + 740248.

It is an arithmetic number, because the mean of its divisors is an integer number (22205700).

Almost surely, 287342361 is an apocalyptic number.

It is an amenable number.

87342361 is a deficient number, since it is larger than the sum of its proper divisors (1480439).

87342361 is a wasteful number, since it uses less digits than its factorization.

87342361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1480438.

The product of its digits is 24192, while the sum is 34.

The square root of 87342361 is about 9345.7135094117. The cubic root of 87342361 is about 443.6852343222.

It can be divided in two parts, 873 and 42361, that added together give a palindrome (43234).

The spelling of 87342361 in words is "eighty-seven million, three hundred forty-two thousand, three hundred sixty-one".

Divisors: 1 59 1480379 87342361