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143403074 = 2346120717
BaseRepresentation
bin10001000110000…
…10100001000010
3100222211122000222
420203002201002
5243202344244
622121343042
73360622523
oct1043024102
9328748028
10143403074
1173a46941
1240037a82
132392c2b9
141508c84a
15c8c9bee
hex88c2842

143403074 has 8 divisors (see below), whose sum is σ = 215177148. Its totient is φ = 71677360.

The previous prime is 143403061. The next prime is 143403079. The reversal of 143403074 is 470304341.

It can be written as a sum of positive squares in 2 ways, for example, as 112678225 + 30724849 = 10615^2 + 5543^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (143403079) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3437 + ... + 17280.

Almost surely, 2143403074 is an apocalyptic number.

143403074 is a deficient number, since it is larger than the sum of its proper divisors (71774074).

143403074 is a wasteful number, since it uses less digits than its factorization.

143403074 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24180.

The product of its (nonzero) digits is 4032, while the sum is 26.

The square root of 143403074 is about 11975.1022542607. The cubic root of 143403074 is about 523.4230217586.

The spelling of 143403074 in words is "one hundred forty-three million, four hundred three thousand, seventy-four".

Divisors: 1 2 3461 6922 20717 41434 71701537 143403074