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143942862 = 2373427211
BaseRepresentation
bin10001001010001…
…10010011001110
3101000212001111010
420211012103032
5243322132422
622141110050
73365331330
oct1045062316
9330761433
10143942862
1174285448
1240258326
1323a8abbb
141518d450
15c984b0c
hex89464ce

143942862 has 16 divisors (see below), whose sum is σ = 329012352. Its totient is φ = 41126520.

The previous prime is 143942857. The next prime is 143942881. The reversal of 143942862 is 268249341.

It is a self number, because there is not a number n which added to its sum of digits gives 143942862.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1713564 + ... + 1713647.

It is an arithmetic number, because the mean of its divisors is an integer number (20563272).

Almost surely, 2143942862 is an apocalyptic number.

143942862 is an abundant number, since it is smaller than the sum of its proper divisors (185069490).

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

143942862 is a wasteful number, since it uses less digits than its factorization.

143942862 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3427223.

The product of its digits is 82944, while the sum is 39.

The square root of 143942862 is about 11997.6190137877. The cubic root of 143942862 is about 524.0789437807.

The spelling of 143942862 in words is "one hundred forty-three million, nine hundred forty-two thousand, eight hundred sixty-two".

Divisors: 1 2 3 6 7 14 21 42 3427211 6854422 10281633 20563266 23990477 47980954 71971431 143942862