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143374 = 2731119
BaseRepresentation
bin100011000000001110
321021200011
4203000032
514041444
63023434
71135000
oct430016
9237604
10143374
11987a0
126ab7a
135034a
143a370
152c734
hex2300e

143374 has 32 divisors (see below), whose sum is σ = 288000. Its totient is φ = 52920.

The previous prime is 143357. The next prime is 143387. The reversal of 143374 is 473341.

It is a happy number.

It is a super-2 number, since 2×1433742 = 41112207752, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a d-powerful number, because it can be written as 1 + 47 + 3 + 310 + 74 + 48 .

It is a congruent number.

It is an unprimeable number.

143374 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7537 + ... + 7555.

It is an arithmetic number, because the mean of its divisors is an integer number (9000).

2143374 is an apocalyptic number.

143374 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

143374 is an abundant number, since it is smaller than the sum of its proper divisors (144626).

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

143374 is a wasteful number, since it uses less digits than its factorization.

143374 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53 (or 39 counting only the distinct ones).

The product of its digits is 1008, while the sum is 22.

The square root of 143374 is about 378.6475934164. The cubic root of 143374 is about 52.3387645879.

It can be divided in two parts, 14337 and 4, that added together give a palindrome (14341).

The spelling of 143374 in words is "one hundred forty-three thousand, three hundred seventy-four", and thus it is an iban number.

Divisors: 1 2 7 11 14 19 22 38 49 77 98 133 154 209 266 343 418 539 686 931 1078 1463 1862 2926 3773 6517 7546 10241 13034 20482 71687 143374