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146493929 = 1096731997
BaseRepresentation
bin10001011101101…
…01000111101001
3101012122122220002
420232311013221
5300000301204
622311512345
73426115001
oct1056650751
9335578802
10146493929
117576806a
12410886b5
13244720ca
1415655001
15ccda91e
hex8bb51e9

146493929 has 8 divisors (see below), whose sum is σ = 148131720. Its totient is φ = 144861696.

The previous prime is 146493917. The next prime is 146493931. The reversal of 146493929 is 929394641.

It can be written as a sum of positive squares in 4 ways, for example, as 1243225 + 145250704 = 1115^2 + 12052^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 146493929 - 28 = 146493673 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (146493229) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 72359 + ... + 74355.

It is an arithmetic number, because the mean of its divisors is an integer number (18516465).

Almost surely, 2146493929 is an apocalyptic number.

It is an amenable number.

146493929 is a deficient number, since it is larger than the sum of its proper divisors (1637791).

146493929 is a wasteful number, since it uses less digits than its factorization.

146493929 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2779.

The product of its digits is 419904, while the sum is 47.

The square root of 146493929 is about 12103.4676436135. The cubic root of 146493929 is about 527.1568760525.

The spelling of 146493929 in words is "one hundred forty-six million, four hundred ninety-three thousand, nine hundred twenty-nine".

Divisors: 1 109 673 1997 73357 217673 1343981 146493929