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143349794 = 27219167461
BaseRepresentation
bin10001000101101…
…01100000100010
3100222201220221122
420202311200202
5243144143134
622120252242
73360311300
oct1042654042
9328656848
10143349794
1173a0a905
1240011082
1323910c83
1415077270
15c8b902e
hex88b5822

143349794 has 48 divisors (see below), whose sum is σ = 265446720. Its totient is φ = 57728160.

The previous prime is 143349793. The next prime is 143349799. The reversal of 143349794 is 497943341.

It is a hoax number, since the sum of its digits (44) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (143349793) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 310724 + ... + 311184.

It is an arithmetic number, because the mean of its divisors is an integer number (5530140).

Almost surely, 2143349794 is an apocalyptic number.

143349794 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

143349794 is a deficient number, since it is larger than the sum of its proper divisors (122096926).

143349794 is a wasteful number, since it uses less digits than its factorization.

143349794 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 663 (or 656 counting only the distinct ones).

The product of its digits is 326592, while the sum is 44.

The square root of 143349794 is about 11972.8774319292. The cubic root of 143349794 is about 523.3581895055.

The spelling of 143349794 in words is "one hundred forty-three million, three hundred forty-nine thousand, seven hundred ninety-four".

Divisors: 1 2 7 14 19 38 49 98 133 167 266 334 461 922 931 1169 1862 2338 3173 3227 6346 6454 8183 8759 16366 17518 22211 22589 44422 45178 61313 76987 122626 153974 155477 310954 429191 538909 858382 1077818 1462753 2925506 3772363 7544726 10239271 20478542 71674897 143349794