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148477693 = 72133173103
BaseRepresentation
bin10001101100110…
…01011011111101
3101100101110002211
420312121123331
5301002241233
622422220421
73452016400
oct1066313375
9340343084
10148477693
11768a2541
1241884711
13249b8030
1415a0dd37
15d07d5cd
hex8d996fd

148477693 has 48 divisors (see below), whose sum is σ = 196525056. Its totient is φ = 111041280.

The previous prime is 148477661. The next prime is 148477697. The reversal of 148477693 is 396774841.

It is not a de Polignac number, because 148477693 - 25 = 148477661 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (49).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (148477697) 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, 1441480 + ... + 1441582.

It is an arithmetic number, because the mean of its divisors is an integer number (4094272).

Almost surely, 2148477693 is an apocalyptic number.

148477693 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

148477693 is a deficient number, since it is larger than the sum of its proper divisors (48047363).

148477693 is a wasteful number, since it uses less digits than its factorization.

148477693 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 234 (or 227 counting only the distinct ones).

The product of its digits is 1016064, while the sum is 49.

The square root of 148477693 is about 12185.1423052831. The cubic root of 148477693 is about 529.5257333212.

The spelling of 148477693 in words is "one hundred forty-eight million, four hundred seventy-seven thousand, six hundred ninety-three".

Divisors: 1 7 13 31 49 73 91 103 217 403 511 637 721 949 1339 1519 2263 2821 3193 3577 5047 6643 7519 9373 15841 19747 22351 29419 41509 46501 52633 65611 97747 110887 156457 205933 233089 290563 368431 684229 1441531 1631623 2033941 3030157 4789603 11421361 21211099 148477693