Search a number
-
+
140000008 = 2337795987
BaseRepresentation
bin10000101100000…
…11101100001000
3100202102201220111
420112003230020
5241320000013
621520404104
73316660201
oct1026035410
9322381814
10140000008
1172032095
123aa76634
132300a355
14148445a8
15c45673d
hex8583b08

140000008 has 32 divisors (see below), whose sum is σ = 273052800. Its totient is φ = 67234752.

The previous prime is 139999991. The next prime is 140000041. The reversal of 140000008 is 800000041.

140000008 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20391 + ... + 26377.

It is an arithmetic number, because the mean of its divisors is an integer number (8532900).

Almost surely, 2140000008 is an apocalyptic number.

It is an amenable number.

140000008 is a deficient number, since it is larger than the sum of its proper divisors (133052792).

140000008 is a wasteful number, since it uses less digits than its factorization.

140000008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6109 (or 6105 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

The square root of 140000008 is about 11832.1599042609. The cubic root of 140000008 is about 519.2494200756.

Adding to 140000008 its reverse (800000041), we get a palindrome (940000049).

The spelling of 140000008 in words is "one hundred forty million, eight", and thus it is an aban number.

Divisors: 1 2 4 8 37 74 79 148 158 296 316 632 2923 5846 5987 11692 11974 23384 23948 47896 221519 443038 472973 886076 945946 1772152 1891892 3783784 17500001 35000002 70000004 140000008