Search a number
-
+
87046072 = 2310880759
BaseRepresentation
bin1010011000000…
…11011110111000
320001210101202121
411030003132320
5134240433242
612345411024
72104610431
oct514033670
9201711677
1087046072
1145154003
1225199a74
1315059569
14b7bc488
157996667
hex53037b8

87046072 has 8 divisors (see below), whose sum is σ = 163211400. Its totient is φ = 43523032.

The previous prime is 87046051. The next prime is 87046073. The reversal of 87046072 is 27064078.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87046073) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5440372 + ... + 5440387.

It is an arithmetic number, because the mean of its divisors is an integer number (20401425).

Almost surely, 287046072 is an apocalyptic number.

It is an amenable number.

87046072 is a deficient number, since it is larger than the sum of its proper divisors (76165328).

87046072 is a wasteful number, since it uses less digits than its factorization.

87046072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10880765 (or 10880761 counting only the distinct ones).

The product of its (nonzero) digits is 18816, while the sum is 34.

The square root of 87046072 is about 9329.8484446426. The cubic root of 87046072 is about 443.1829656944.

The spelling of 87046072 in words is "eighty-seven million, forty-six thousand, seventy-two".

Divisors: 1 2 4 8 10880759 21761518 43523036 87046072