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143493412 = 222310931427
BaseRepresentation
bin10001000110110…
…00100100100100
3101000000012221211
420203120210210
5243213242122
622123321204
73361450066
oct1043304444
9330005854
10143493412
1173aa87a7
1240080204
132396145a
14150b3736
15c8e6877
hex88d8924

143493412 has 24 divisors (see below), whose sum is σ = 262454976. Its totient is φ = 68516448.

The previous prime is 143493403. The next prime is 143493443. The reversal of 143493412 is 214394341.

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, 99843 + ... + 101269.

It is an arithmetic number, because the mean of its divisors is an integer number (10935624).

Almost surely, 2143493412 is an apocalyptic number.

It is an amenable number.

143493412 is a deficient number, since it is larger than the sum of its proper divisors (118961564).

143493412 is a wasteful number, since it uses less digits than its factorization.

143493412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2547 (or 2545 counting only the distinct ones).

The product of its digits is 10368, while the sum is 31.

The square root of 143493412 is about 11978.8735697477. The cubic root of 143493412 is about 523.5329102984.

The spelling of 143493412 in words is "one hundred forty-three million, four hundred ninety-three thousand, four hundred twelve".

Divisors: 1 2 4 23 46 92 1093 1427 2186 2854 4372 5708 25139 32821 50278 65642 100556 131284 1559711 3119422 6238844 35873353 71746706 143493412