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146297087 = 1771911969
BaseRepresentation
bin10001011100001…
…01000011111111
3101012021122212122
420232011003333
5244423001322
622303353155
73424335056
oct1056050377
9335248778
10146297087
1175643192
1240bb27bb
1324403631
141560339d
15cc9c442
hex8b850ff

146297087 has 8 divisors (see below), whose sum is σ = 155131200. Its totient is φ = 137488384.

The previous prime is 146297071. The next prime is 146297111. The reversal of 146297087 is 780792641.

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

It is not a de Polignac number, because 146297087 - 24 = 146297071 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (146297027) 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, 6239 + ... + 18207.

It is an arithmetic number, because the mean of its divisors is an integer number (19391400).

Almost surely, 2146297087 is an apocalyptic number.

146297087 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

146297087 is a deficient number, since it is larger than the sum of its proper divisors (8834113).

146297087 is a wasteful number, since it uses less digits than its factorization.

146297087 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12705.

The product of its (nonzero) digits is 169344, while the sum is 44.

The square root of 146297087 is about 12095.3332736225. Note that the first 3 decimals coincide. The cubic root of 146297087 is about 526.9206589254.

The spelling of 146297087 in words is "one hundred forty-six million, two hundred ninety-seven thousand, eighty-seven".

Divisors: 1 17 719 11969 12223 203473 8605711 146297087