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148891664 = 2441263863
BaseRepresentation
bin10001101111111…
…10100000010000
3101101011110222002
420313332200100
5301104013124
622435133132
73455362325
oct1067764020
9341143862
10148891664
1177055569
1241a441a8
1324b0159c
1415abab4c
15d1110ae
hex8dfe810

148891664 has 40 divisors (see below), whose sum is σ = 296980992. Its totient is φ = 72270080.

The previous prime is 148891649. The next prime is 148891669. The reversal of 148891664 is 466198841.

It is not an unprimeable number, because it can be changed into a prime (148891669) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 172097 + ... + 172959.

Almost surely, 2148891664 is an apocalyptic number.

It is an amenable number.

148891664 is a deficient number, since it is larger than the sum of its proper divisors (148089328).

148891664 is a wasteful number, since it uses less digits than its factorization.

148891664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1175 (or 1169 counting only the distinct ones).

The product of its digits is 331776, while the sum is 47.

The square root of 148891664 is about 12202.1171933399. The cubic root of 148891664 is about 530.0174006391.

The spelling of 148891664 in words is "one hundred forty-eight million, eight hundred ninety-one thousand, six hundred sixty-four".

Divisors: 1 2 4 8 16 41 82 164 263 328 526 656 863 1052 1726 2104 3452 4208 6904 10783 13808 21566 35383 43132 70766 86264 141532 172528 226969 283064 453938 566128 907876 1815752 3631504 9305729 18611458 37222916 74445832 148891664