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148887441 = 32234153331
BaseRepresentation
bin10001101111111…
…01011110010001
3101101011021011200
420313331132101
5301103344231
622435101413
73455344113
oct1067753621
9341137150
10148887441
117705237a
1241a41869
1324acc6a1
1415ab93b3
15d10ebe6
hex8dfd791

148887441 has 48 divisors (see below), whose sum is σ = 234928512. Its totient is φ = 90604800.

The previous prime is 148887437. The next prime is 148887443. The reversal of 148887441 is 144788841.

It is a happy number.

It is not a de Polignac number, because 148887441 - 22 = 148887437 is a prime.

It is not an unprimeable number, because it can be changed into a prime (148887443) 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 47 ways as a sum of consecutive naturals, for example, 449646 + ... + 449976.

It is an arithmetic number, because the mean of its divisors is an integer number (4894344).

Almost surely, 2148887441 is an apocalyptic number.

It is an amenable number.

148887441 is a deficient number, since it is larger than the sum of its proper divisors (86041071).

148887441 is a wasteful number, since it uses less digits than its factorization.

148887441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 454 (or 451 counting only the distinct ones).

The product of its digits is 229376, while the sum is 45.

The square root of 148887441 is about 12201.9441483724. The cubic root of 148887441 is about 530.0123896475.

The spelling of 148887441 in words is "one hundred forty-eight million, eight hundred eighty-seven thousand, four hundred forty-one".

Divisors: 1 3 9 23 41 53 69 123 159 207 331 369 477 943 993 1219 2173 2829 2979 3657 6519 7613 8487 10971 13571 17543 19557 22839 40713 49979 52629 68517 122139 149937 157887 312133 403489 449811 719263 936399 1210467 2157789 2809197 3631401 6473367 16543049 49629147 148887441