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149548441 = 7217472
BaseRepresentation
bin10001110100111…
…10110110011001
3101102101211220011
420322132312121
5301241022231
622501201521
73464066200
oct1072366631
9342354804
10149548441
1177463a59
12421002a1
1324ca1503
1415c0c237
15d1e09b1
hex8e9ed99

149548441 has 9 divisors (see below), whose sum is σ = 174064149. Its totient is φ = 128111004.

The previous prime is 149548429. The next prime is 149548471. The reversal of 149548441 is 144845941.

It is a happy number.

The square root of 149548441 is 12229.

It is a perfect power (a square), and thus also a powerful number.

It is not a de Polignac number, because 149548441 - 25 = 149548409 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 149548394 and 149548403.

It is not an unprimeable number, because it can be changed into a prime (149548471) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 84730 + ... + 86476.

It is an arithmetic number, because the mean of its divisors is an integer number (19340461).

Almost surely, 2149548441 is an apocalyptic number.

149548441 is the 12229-th square number.

149548441 is the 6115-th centered octagonal number.

It is an amenable number.

149548441 is a deficient number, since it is larger than the sum of its proper divisors (24515708).

149548441 is an frugal number, since it uses more digits than its factorization.

149548441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3508 (or 1754 counting only the distinct ones).

The product of its digits is 92160, while the sum is 40.

The cubic root of 149548441 is about 530.7955786322.

The spelling of 149548441 in words is "one hundred forty-nine million, five hundred forty-eight thousand, four hundred forty-one".

Divisors: 1 7 49 1747 12229 85603 3052009 21364063 149548441