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87484 = 2221871
BaseRepresentation
bin10101010110111100
311110000011
4111112330
510244414
61513004
7513025
oct252674
9143004
1087484
115a801
1242764
1330a87
1423c4c
hex155bc

87484 has 6 divisors (see below), whose sum is σ = 153104. Its totient is φ = 43740.

The previous prime is 87481. The next prime is 87491. The reversal of 87484 is 48478.

87484 = T240 + T241 + T242.

It is a plaindrome in base 16.

It is a zygodrome in base 3.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87481) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10932 + ... + 10939.

287484 is an apocalyptic number.

87484 is the 242-nd centered triangular number.

It is an amenable number.

87484 is a deficient number, since it is larger than the sum of its proper divisors (65620).

87484 is a wasteful number, since it uses less digits than its factorization.

87484 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21875 (or 21873 counting only the distinct ones).

The product of its digits is 7168, while the sum is 31.

The square root of 87484 is about 295.7769429824. The cubic root of 87484 is about 44.3924939290.

The spelling of 87484 in words is "eighty-seven thousand, four hundred eighty-four".

Divisors: 1 2 4 21871 43742 87484