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143141402 = 21923915761
BaseRepresentation
bin10001000100000…
…10101000011010
3100222100100002102
420202002220122
5243121011102
622112003402
73355452605
oct1042025032
9328310072
10143141402
1173888288
123bb30562
132386a171
141502133c
15c877402
hex8882a1a

143141402 has 16 divisors (see below), whose sum is σ = 226972800. Its totient is φ = 67515840.

The previous prime is 143141381. The next prime is 143141407. The reversal of 143141402 is 204141341.

It is not an unprimeable number, because it can be changed into a prime (143141407) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1202 + ... + 16962.

It is an arithmetic number, because the mean of its divisors is an integer number (14185800).

Almost surely, 2143141402 is an apocalyptic number.

143141402 is a deficient number, since it is larger than the sum of its proper divisors (83831398).

143141402 is a wasteful number, since it uses less digits than its factorization.

143141402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16021.

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 143141402 is about 11964.1715968971. The cubic root of 143141402 is about 523.1044592205.

Adding to 143141402 its reverse (204141341), we get a palindrome (347282743).

The spelling of 143141402 in words is "one hundred forty-three million, one hundred forty-one thousand, four hundred two".

Divisors: 1 2 19 38 239 478 4541 9082 15761 31522 299459 598918 3766879 7533758 71570701 143141402