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140276670 = 2354799487
BaseRepresentation
bin10000101110001…
…11001110111110
3100202221210102020
420113013032332
5241402323140
621530341010
73322221612
oct1027071676
9322853366
10140276670
1172200a36
123ab8a766
13230a6261
14148b7342
15c4ad6d0
hex85c73be

140276670 has 32 divisors (see below), whose sum is σ = 343830528. Its totient is φ = 36610848.

The previous prime is 140276663. The next prime is 140276671. The reversal of 140276670 is 76672041.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140276671) 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, 48334 + ... + 51153.

It is an arithmetic number, because the mean of its divisors is an integer number (10744704).

Almost surely, 2140276670 is an apocalyptic number.

140276670 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

140276670 is an abundant number, since it is smaller than the sum of its proper divisors (203553858).

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

140276670 is a wasteful number, since it uses less digits than its factorization.

140276670 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99544.

The product of its (nonzero) digits is 14112, while the sum is 33.

The square root of 140276670 is about 11843.8452370841. The cubic root of 140276670 is about 519.5912344786.

The spelling of 140276670 in words is "one hundred forty million, two hundred seventy-six thousand, six hundred seventy".

Divisors: 1 2 3 5 6 10 15 30 47 94 141 235 282 470 705 1410 99487 198974 298461 497435 596922 994870 1492305 2984610 4675889 9351778 14027667 23379445 28055334 46758890 70138335 140276670