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143664074 = 2198736151
BaseRepresentation
bin10001001000000…
…10001111001010
3101000022220001122
420210002033022
5243234222244
622131115242
73363060461
oct1044021712
9330286048
10143664074
1174104a44
1240142b22
13239c1038
14151199d8
15c92c1ee
hex89023ca

143664074 has 8 divisors (see below), whose sum is σ = 215610528. Its totient is φ = 71793900.

The previous prime is 143664061. The next prime is 143664077. The reversal of 143664074 is 470466341.

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 (143664077) 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, 14102 + ... + 22049.

It is an arithmetic number, because the mean of its divisors is an integer number (26951316).

Almost surely, 2143664074 is an apocalyptic number.

143664074 is a deficient number, since it is larger than the sum of its proper divisors (71946454).

143664074 is a wasteful number, since it uses less digits than its factorization.

143664074 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38140.

The product of its (nonzero) digits is 48384, while the sum is 35.

The square root of 143664074 is about 11985.9949107281. The cubic root of 143664074 is about 523.7403803938.

The spelling of 143664074 in words is "one hundred forty-three million, six hundred sixty-four thousand, seventy-four".

Divisors: 1 2 1987 3974 36151 72302 71832037 143664074