Search a number
-
+
148330553 = 721190079
BaseRepresentation
bin10001101011101…
…01100000111001
3101100002222021012
420311311200321
5300433034203
622415123305
73450534410
oct1065654071
9340088235
10148330553
1176801a38
1241813535
1324966077
14159b2477
15d04ebd8
hex8d75839

148330553 has 4 divisors (see below), whose sum is σ = 169520640. Its totient is φ = 127140468.

The previous prime is 148330541. The next prime is 148330561. The reversal of 148330553 is 355033841.

148330553 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 not a de Polignac number, because 148330553 - 28 = 148330297 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (148330583) 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, 10595033 + ... + 10595046.

It is an arithmetic number, because the mean of its divisors is an integer number (42380160).

Almost surely, 2148330553 is an apocalyptic number.

It is an amenable number.

148330553 is a deficient number, since it is larger than the sum of its proper divisors (21190087).

148330553 is an equidigital number, since it uses as much as digits as its factorization.

148330553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21190086.

The product of its (nonzero) digits is 21600, while the sum is 32.

The square root of 148330553 is about 12179.1031278990. The cubic root of 148330553 is about 529.3507571648.

The spelling of 148330553 in words is "one hundred forty-eight million, three hundred thirty thousand, five hundred fifty-three".

Divisors: 1 7 21190079 148330553