Search a number
-
+
155330353 = 791966207
BaseRepresentation
bin10010100001000…
…10011100110001
3101211021121012001
421100202130301
5304231032403
623225134001
73564200113
oct1120423461
9354247161
10155330353
117a752aa2
124402a301
1326247169
14168b53b3
15d983c1d
hex9422731

155330353 has 4 divisors (see below), whose sum is σ = 157296640. Its totient is φ = 153364068.

The previous prime is 155330327. The next prime is 155330369. The reversal of 155330353 is 353033551.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 155330353 - 29 = 155329841 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (155330323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 983025 + ... + 983182.

It is an arithmetic number, because the mean of its divisors is an integer number (39324160).

Almost surely, 2155330353 is an apocalyptic number.

It is an amenable number.

155330353 is a deficient number, since it is larger than the sum of its proper divisors (1966287).

155330353 is an equidigital number, since it uses as much as digits as its factorization.

155330353 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1966286.

The product of its (nonzero) digits is 10125, while the sum is 28.

The square root of 155330353 is about 12463.1598320811. The cubic root of 155330353 is about 537.5498888613.

The spelling of 155330353 in words is "one hundred fifty-five million, three hundred thirty thousand, three hundred fifty-three".

Divisors: 1 79 1966207 155330353