Search a number
-
+
87371792 = 245460737
BaseRepresentation
bin1010011010100…
…11000000010000
320002101221120022
411031103000100
5134331344132
612400403012
72110435154
oct515230020
9202357508
1087371792
11453567a2
1225316468
13151418b1
14b865064
157a0ce12
hex5353010

87371792 has 10 divisors (see below), whose sum is σ = 169282878. Its totient is φ = 43685888.

The previous prime is 87371783. The next prime is 87371797. The reversal of 87371792 is 29717378.

It can be written as a sum of positive squares in only one way, i.e., 79995136 + 7376656 = 8944^2 + 2716^2 .

It is not an unprimeable number, because it can be changed into a prime (87371797) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2730353 + ... + 2730384.

Almost surely, 287371792 is an apocalyptic number.

It is an amenable number.

87371792 is a deficient number, since it is larger than the sum of its proper divisors (81911086).

87371792 is a wasteful number, since it uses less digits than its factorization.

87371792 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5460745 (or 5460739 counting only the distinct ones).

The product of its digits is 148176, while the sum is 44.

The square root of 87371792 is about 9347.2879489187. The cubic root of 87371792 is about 443.7350636512.

The spelling of 87371792 in words is "eighty-seven million, three hundred seventy-one thousand, seven hundred ninety-two".

Divisors: 1 2 4 8 16 5460737 10921474 21842948 43685896 87371792