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149748441 = 3411217467
BaseRepresentation
bin10001110110011…
…11101011011001
3101102210000020120
420323033223121
5301313422231
622505343453
73465561243
oct1073175331
9342700216
10149748441
1177590247
1242197b89
132504155b
1415c61093
15d22ed96
hex8ecfad9

149748441 has 8 divisors (see below), whose sum is σ = 204534624. Its totient is φ = 97397280.

The previous prime is 149748419. The next prime is 149748449. The reversal of 149748441 is 144847941.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 149748441 - 25 = 149748409 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 149748393 and 149748402.

It is not an unprimeable number, because it can be changed into a prime (149748449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 608611 + ... + 608856.

It is an arithmetic number, because the mean of its divisors is an integer number (25566828).

Almost surely, 2149748441 is an apocalyptic number.

It is an amenable number.

149748441 is a deficient number, since it is larger than the sum of its proper divisors (54786183).

149748441 is a wasteful number, since it uses less digits than its factorization.

149748441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1217511.

The product of its digits is 129024, while the sum is 42.

The square root of 149748441 is about 12237.1745513415. The cubic root of 149748441 is about 531.0320946976.

The spelling of 149748441 in words is "one hundred forty-nine million, seven hundred forty-eight thousand, four hundred forty-one".

Divisors: 1 3 41 123 1217467 3652401 49916147 149748441