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148705479 = 32133734351
BaseRepresentation
bin10001101110100…
…01000011000111
3101100211000120100
420313101003013
5301032033404
622431135143
73453655446
oct1067210307
9340730510
10148705479
1176a3869a
12419744b3
1324a67910
1415a6cd5d
15d0c5d39
hex8dd10c7

148705479 has 24 divisors (see below), whose sum is σ = 237578432. Its totient is φ = 89035200.

The previous prime is 148705471. The next prime is 148705489. The reversal of 148705479 is 974507841.

It is a happy number.

It is not a de Polignac number, because 148705479 - 23 = 148705471 is a prime.

It is a super-2 number, since 2×1487054792 = 44226638969238882, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (148705471) 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 23 ways as a sum of consecutive naturals, for example, 12847 + ... + 21504.

Almost surely, 2148705479 is an apocalyptic number.

148705479 is a deficient number, since it is larger than the sum of its proper divisors (88872953).

148705479 is a wasteful number, since it uses less digits than its factorization.

148705479 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34407 (or 34404 counting only the distinct ones).

The product of its (nonzero) digits is 282240, while the sum is 45.

The square root of 148705479 is about 12194.4855980070. The cubic root of 148705479 is about 529.7963843457.

The spelling of 148705479 in words is "one hundred forty-eight million, seven hundred five thousand, four hundred seventy-nine".

Divisors: 1 3 9 13 37 39 111 117 333 481 1443 4329 34351 103053 309159 446563 1270987 1339689 3812961 4019067 11438883 16522831 49568493 148705479