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143955422 = 21317325691
BaseRepresentation
bin10001001010010…
…01010111011110
3101000212200201022
420211021113132
5243323033142
622141244142
73365413052
oct1045112736
9330780638
10143955422
1174293926
1240263652
1323a93830
1415193c62
15c9886d2
hex89495de

143955422 has 16 divisors (see below), whose sum is σ = 246223152. Its totient is φ = 62532480.

The previous prime is 143955377. The next prime is 143955431. The reversal of 143955422 is 224559341.

143955422 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 162404 + ... + 163287.

It is an arithmetic number, because the mean of its divisors is an integer number (15388947).

Almost surely, 2143955422 is an apocalyptic number.

143955422 is a deficient number, since it is larger than the sum of its proper divisors (102267730).

143955422 is a wasteful number, since it uses less digits than its factorization.

143955422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 325723.

The product of its digits is 43200, while the sum is 35.

The square root of 143955422 is about 11998.1424395612. The cubic root of 143955422 is about 524.0941864958.

The spelling of 143955422 in words is "one hundred forty-three million, nine hundred fifty-five thousand, four hundred twenty-two".

Divisors: 1 2 13 17 26 34 221 442 325691 651382 4233983 5536747 8467966 11073494 71977711 143955422