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148849605 = 32529167683
BaseRepresentation
bin10001101111101…
…00001111000101
3101101002100021100
420313310033011
5301101141410
622434210313
73455125602
oct1067641705
9341070240
10148849605
1177026a03
1241a23999
1324ab83b8
1415aa96a9
15d1038c0
hex8df43c5

148849605 has 48 divisors (see below), whose sum is σ = 268894080. Its totient is φ = 76078464.

The previous prime is 148849579. The next prime is 148849607. The reversal of 148849605 is 506948841.

It is not a de Polignac number, because 148849605 - 214 = 148833221 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (148849607) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 217594 + ... + 218276.

It is an arithmetic number, because the mean of its divisors is an integer number (5601960).

Almost surely, 2148849605 is an apocalyptic number.

148849605 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

148849605 is a deficient number, since it is larger than the sum of its proper divisors (120044475).

148849605 is a wasteful number, since it uses less digits than its factorization.

148849605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 890 (or 887 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 45.

The square root of 148849605 is about 12200.3936411904. The cubic root of 148849605 is about 529.9674894025.

The spelling of 148849605 in words is "one hundred forty-eight million, eight hundred forty-nine thousand, six hundred five".

Divisors: 1 3 5 9 15 29 45 87 145 167 261 435 501 683 835 1305 1503 2049 2505 3415 4843 6147 7515 10245 14529 19807 24215 30735 43587 59421 72645 99035 114061 178263 217935 297105 342183 570305 891315 1026549 1710915 3307769 5132745 9923307 16538845 29769921 49616535 148849605