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140217474 = 2371443743
BaseRepresentation
bin10000101101110…
…00110010000010
3100202211210012210
420112320302002
5241343424344
621525202550
73321554205
oct1026706202
9322753183
10140217474
1172170511
123ab60456
1323085327
141489d93c
15c49adb9
hex85b8c82

140217474 has 32 divisors (see below), whose sum is σ = 285410304. Its totient is φ = 45914960.

The previous prime is 140217463. The next prime is 140217481. The reversal of 140217474 is 474712041.

140217474 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 pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 188347 + ... + 189089.

It is an arithmetic number, because the mean of its divisors is an integer number (8919072).

Almost surely, 2140217474 is an apocalyptic number.

140217474 is an abundant number, since it is smaller than the sum of its proper divisors (145192830).

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

140217474 is a wasteful number, since it uses less digits than its factorization.

140217474 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1262.

The product of its (nonzero) digits is 6272, while the sum is 30.

The square root of 140217474 is about 11841.3459539024. The cubic root of 140217474 is about 519.5181359602.

The spelling of 140217474 in words is "one hundred forty million, two hundred seventeen thousand, four hundred seventy-four".

Divisors: 1 2 3 6 71 142 213 426 443 743 886 1329 1486 2229 2658 4458 31453 52753 62906 94359 105506 158259 188718 316518 329149 658298 987447 1974894 23369579 46739158 70108737 140217474