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143293934 = 27219411877
BaseRepresentation
bin10001000101001…
…11110111101110
3100222122002022202
420202213313232
5243140401214
622115141502
73356656400
oct1042476756
9328562282
10143293934
1173981943
123bba4892
13238c1714
1415060b70
15c8a76de
hex88a7dee

143293934 has 48 divisors (see below), whose sum is σ = 269755920. Its totient is φ = 56730240.

The previous prime is 143293921. The next prime is 143293951. The reversal of 143293934 is 439392341.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 75404 + ... + 77280.

It is an arithmetic number, because the mean of its divisors is an integer number (5619915).

Almost surely, 2143293934 is an apocalyptic number.

143293934 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

143293934 is a deficient number, since it is larger than the sum of its proper divisors (126461986).

143293934 is a wasteful number, since it uses less digits than its factorization.

143293934 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1953 (or 1946 counting only the distinct ones).

The product of its digits is 69984, while the sum is 38.

The square root of 143293934 is about 11970.5444320632. The cubic root of 143293934 is about 523.2902006004.

The spelling of 143293934 in words is "one hundred forty-three million, two hundred ninety-three thousand, nine hundred thirty-four".

Divisors: 1 2 7 14 19 38 41 49 82 98 133 266 287 574 779 931 1558 1862 1877 2009 3754 4018 5453 10906 13139 26278 35663 38171 71326 76342 76957 91973 153914 183946 249641 499282 538699 1077398 1462183 1747487 2924366 3494974 3770893 7541786 10235281 20470562 71646967 143293934