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140630005 = 5153118371
BaseRepresentation
bin10000110000111…
…01011111110101
3100210121202002201
420120131133311
5242000130010
621542104501
73325223005
oct1030353765
9323552081
10140630005
117242244a
123b11b131
132319b029
141496a005
15c52d23a
hex861d7f5

140630005 has 8 divisors (see below), whose sum is σ = 168875424. Its totient is φ = 112424400.

The previous prime is 140629999. The next prime is 140630059. The reversal of 140630005 is 500036041.

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

It is a de Polignac number, because none of the positive numbers 2k-140630005 is a prime.

It is a congruent number.

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, 1531 + ... + 16840.

It is an arithmetic number, because the mean of its divisors is an integer number (21109428).

Almost surely, 2140630005 is an apocalyptic number.

It is an amenable number.

140630005 is a deficient number, since it is larger than the sum of its proper divisors (28245419).

140630005 is a wasteful number, since it uses less digits than its factorization.

140630005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19907.

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 140630005 is about 11858.7522530830. The cubic root of 140630005 is about 520.0271250643.

Adding to 140630005 its reverse (500036041), we get a palindrome (640666046).

The spelling of 140630005 in words is "one hundred forty million, six hundred thirty thousand, five".

Divisors: 1 5 1531 7655 18371 91855 28126001 140630005