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148331232 = 25327223457
BaseRepresentation
bin10001101011101…
…01101011100000
3101100010000012100
420311311223200
5300433044412
622415130400
73450536400
oct1065655340
9340100170
10148331232
11768024a5
1241813a00
132496647a
14159b2800
15d04eedc
hex8d75ae0

148331232 has 216 divisors, whose sum is σ = 513139536. Its totient is φ = 40449024.

The previous prime is 148331231. The next prime is 148331279. The reversal of 148331232 is 232133841.

148331232 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 148331196 and 148331205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (148331231) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 324348 + ... + 324804.

It is an arithmetic number, because the mean of its divisors is an integer number (2375646).

Almost surely, 2148331232 is an apocalyptic number.

148331232 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 148331232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (256569768).

148331232 is an abundant number, since it is smaller than the sum of its proper divisors (364808304).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

148331232 is a wasteful number, since it uses less digits than its factorization.

148331232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 510 (or 492 counting only the distinct ones).

The product of its digits is 3456, while the sum is 27.

The square root of 148331232 is about 12179.1310034830. The cubic root of 148331232 is about 529.3515648847.

The spelling of 148331232 in words is "one hundred forty-eight million, three hundred thirty-one thousand, two hundred thirty-two".