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148208663 = 401936877
BaseRepresentation
bin10001101010101…
…11110000010111
3101022212210001202
420311113300113
5300420134123
622412343115
73446516141
oct1065276027
9338783052
10148208663
11767293a9
1241774a9b
1324922745
141597dc91
15d028a28
hex8d57c17

148208663 has 4 divisors (see below), whose sum is σ = 148249560. Its totient is φ = 148167768.

The previous prime is 148208629. The next prime is 148208729. The reversal of 148208663 is 366802841.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 366802841 = 1372677393.

It is a cyclic number.

It is not a de Polignac number, because 148208663 - 210 = 148207639 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (148208603) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14420 + ... + 22457.

It is an arithmetic number, because the mean of its divisors is an integer number (37062390).

Almost surely, 2148208663 is an apocalyptic number.

148208663 is a deficient number, since it is larger than the sum of its proper divisors (40897).

148208663 is an equidigital number, since it uses as much as digits as its factorization.

148208663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40896.

The product of its (nonzero) digits is 55296, while the sum is 38.

The square root of 148208663 is about 12174.0980364050. The cubic root of 148208663 is about 529.2057201866.

The spelling of 148208663 in words is "one hundred forty-eight million, two hundred eight thousand, six hundred sixty-three".

Divisors: 1 4019 36877 148208663