Search a number
-
+
88380207 = 3313723893
BaseRepresentation
bin1010100010010…
…01001100101111
320011022011212000
411101021030233
5140111131312
612434143343
72122135146
oct521111457
9204264760
1088380207
11459853a3
1225721b53
13154058a6
14ba4875d
157b5badc
hex544932f

88380207 has 16 divisors (see below), whose sum is σ = 131894880. Its totient is φ = 58487616.

The previous prime is 88380157. The next prime is 88380209. The reversal of 88380207 is 70208388.

It is not a de Polignac number, because 88380207 - 210 = 88379183 is a prime.

It is a super-2 number, since 2×883802072 = 15622121978725698, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (88380209) 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 in 15 ways as a sum of consecutive naturals, for example, 8248 + ... + 15645.

It is an arithmetic number, because the mean of its divisors is an integer number (8243430).

Almost surely, 288380207 is an apocalyptic number.

88380207 is a deficient number, since it is larger than the sum of its proper divisors (43514673).

88380207 is a wasteful number, since it uses less digits than its factorization.

88380207 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24039 (or 24033 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 36.

The square root of 88380207 is about 9401.0747789814. The cubic root of 88380207 is about 445.4356832181.

The spelling of 88380207 in words is "eighty-eight million, three hundred eighty thousand, two hundred seven".

Divisors: 1 3 9 27 137 411 1233 3699 23893 71679 215037 645111 3273341 9820023 29460069 88380207