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149448 = 23313479
BaseRepresentation
bin100100011111001000
321121000010
4210133020
514240243
63111520
71161465
oct443710
9247003
10149448
11a2312
12725a0
1353040
143c66c
152e433
hex247c8

149448 has 32 divisors (see below), whose sum is σ = 403200. Its totient is φ = 45888.

The previous prime is 149441. The next prime is 149459. The reversal of 149448 is 844941.

It is not an unprimeable number, because it can be changed into a prime (149441) 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, 73 + ... + 551.

It is an arithmetic number, because the mean of its divisors is an integer number (12600).

2149448 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 149448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (201600).

149448 is an abundant number, since it is smaller than the sum of its proper divisors (253752).

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

149448 is a wasteful number, since it uses less digits than its factorization.

149448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 501 (or 497 counting only the distinct ones).

The product of its digits is 4608, while the sum is 30.

The square root of 149448 is about 386.5850488573. The cubic root of 149448 is about 53.0676719533.

The spelling of 149448 in words is "one hundred forty-nine thousand, four hundred forty-eight".

Divisors: 1 2 3 4 6 8 12 13 24 26 39 52 78 104 156 312 479 958 1437 1916 2874 3832 5748 6227 11496 12454 18681 24908 37362 49816 74724 149448