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143700471 = 32121313163
BaseRepresentation
bin10001001000010…
…11000111110111
3101000101201222200
420210023013313
5243241403341
622131555543
73363301545
oct1044130767
9330351880
10143700471
117412a322
124015bbb3
1323a04785
1415128d95
15c937db6
hex890b1f7

143700471 has 12 divisors (see below), whose sum is σ = 207754248. Its totient is φ = 95714064.

The previous prime is 143700467. The next prime is 143700497. The reversal of 143700471 is 174007341.

143700471 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 143700471 - 22 = 143700467 is a prime.

It is a super-3 number, since 3×1437004713 (a number of 25 digits) contains 333 as substring.

It is a Smith number, since the sum of its digits (27) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (143700421) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4336 + ... + 17498.

It is an arithmetic number, because the mean of its divisors is an integer number (17312854).

Almost surely, 2143700471 is an apocalyptic number.

143700471 is a deficient number, since it is larger than the sum of its proper divisors (64053777).

143700471 is a wasteful number, since it uses less digits than its factorization.

143700471 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14382 (or 14379 counting only the distinct ones).

The product of its (nonzero) digits is 2352, while the sum is 27.

The square root of 143700471 is about 11987.5131282514. The cubic root of 143700471 is about 523.7846061781.

The spelling of 143700471 in words is "one hundred forty-three million, seven hundred thousand, four hundred seventy-one".

Divisors: 1 3 9 1213 3639 10917 13163 39489 118467 15966719 47900157 143700471