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140073006 = 2389461569
BaseRepresentation
bin10000101100101…
…01100000101110
3100202120110001010
420112111200232
5241324314011
621522130050
73320413053
oct1026254056
9322513033
10140073006
1172081a17
123aab0926
1323034648
141486302a
15c46d1a6
hex859582e

140073006 has 32 divisors (see below), whose sum is σ = 284407200. Its totient is φ = 45985280.

The previous prime is 140073001. The next prime is 140073007. The reversal of 140073006 is 600370041.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140073001) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 245890 + ... + 246458.

It is an arithmetic number, because the mean of its divisors is an integer number (8887725).

Almost surely, 2140073006 is an apocalyptic number.

140073006 is an abundant number, since it is smaller than the sum of its proper divisors (144334194).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

140073006 is a wasteful number, since it uses less digits than its factorization.

140073006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1124.

The product of its (nonzero) digits is 504, while the sum is 21.

The square root of 140073006 is about 11835.2442306866. The cubic root of 140073006 is about 519.3396524113.

The spelling of 140073006 in words is "one hundred forty million, seventy-three thousand, six".

Divisors: 1 2 3 6 89 178 267 461 534 569 922 1138 1383 1707 2766 3414 41029 50641 82058 101282 123087 151923 246174 262309 303846 524618 786927 1573854 23345501 46691002 70036503 140073006