Search a number
-
+
87884002 = 2431021907
BaseRepresentation
bin1010011110100…
…00000011100010
320010100222012001
411033100003202
5134444242002
612415354214
72115000403
oct517200342
9203328161
1087884002
1145676608
122552296a
1315290a8b
14b9599aa
157aaea87
hex53d00e2

87884002 has 8 divisors (see below), whose sum is σ = 134891856. Its totient is φ = 42920052.

The previous prime is 87883997. The next prime is 87884009. The reversal of 87884002 is 20048878.

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

It is not an unprimeable number, because it can be changed into a prime (87884009) by changing a digit.

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, 510868 + ... + 511039.

It is an arithmetic number, because the mean of its divisors is an integer number (16861482).

Almost surely, 287884002 is an apocalyptic number.

87884002 is a deficient number, since it is larger than the sum of its proper divisors (47007854).

87884002 is a wasteful number, since it uses less digits than its factorization.

87884002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1021952.

The product of its (nonzero) digits is 28672, while the sum is 37.

The square root of 87884002 is about 9374.6467666787. The cubic root of 87884002 is about 444.6004948735.

The spelling of 87884002 in words is "eighty-seven million, eight hundred eighty-four thousand, two".

Divisors: 1 2 43 86 1021907 2043814 43942001 87884002