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143031896 = 2372554141
BaseRepresentation
bin10001000011001…
…11111001011000
3100222010202212122
420201213321120
5243104010041
622105400412
73354515420
oct1041477130
9328122778
10143031896
1173812a87
123ba99108
132382c377
1414dd3480
15c854c4b
hex8867e58

143031896 has 16 divisors (see below), whose sum is σ = 306497040. Its totient is φ = 61299360.

The previous prime is 143031887. The next prime is 143031901. The reversal of 143031896 is 698130341.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1277015 + ... + 1277126.

It is an arithmetic number, because the mean of its divisors is an integer number (19156065).

Almost surely, 2143031896 is an apocalyptic number.

It is an amenable number.

143031896 is an abundant number, since it is smaller than the sum of its proper divisors (163465144).

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

143031896 is a wasteful number, since it uses less digits than its factorization.

143031896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2554154 (or 2554150 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 35.

The square root of 143031896 is about 11959.5943075006. The cubic root of 143031896 is about 522.9710301080.

The spelling of 143031896 in words is "one hundred forty-three million, thirty-one thousand, eight hundred ninety-six".

Divisors: 1 2 4 7 8 14 28 56 2554141 5108282 10216564 17878987 20433128 35757974 71515948 143031896