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146043433 = 197374021
BaseRepresentation
bin10001011010001…
…11001000101001
3101011210202221001
420231013020221
5244341342213
622254115001
73422230414
oct1055071051
9334722831
10146043433
117548a658
1240aaba61
1324345043
1415578b7b
15cc4c1dd
hex8b47229

146043433 has 4 divisors (see below), whose sum is σ = 146119428. Its totient is φ = 145967440.

The previous prime is 146043427. The next prime is 146043473. The reversal of 146043433 is 334340641.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 334340641 = 987133871.

It can be written as a sum of positive squares in 2 ways, for example, as 37112464 + 108930969 = 6092^2 + 10437^2 .

It is a cyclic number.

It is not a de Polignac number, because 146043433 - 221 = 143946281 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (146043473) 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, 35038 + ... + 38983.

It is an arithmetic number, because the mean of its divisors is an integer number (36529857).

Almost surely, 2146043433 is an apocalyptic number.

It is an amenable number.

146043433 is a deficient number, since it is larger than the sum of its proper divisors (75995).

146043433 is an equidigital number, since it uses as much as digits as its factorization.

146043433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75994.

The product of its (nonzero) digits is 10368, while the sum is 28.

The square root of 146043433 is about 12084.8431102766. The cubic root of 146043433 is about 526.6159528070.

The spelling of 146043433 in words is "one hundred forty-six million, forty-three thousand, four hundred thirty-three".

Divisors: 1 1973 74021 146043433