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148677853 = 1091364017
BaseRepresentation
bin10001101110010…
…10010011011101
3101100202121200011
420313022103131
5301030142403
622430403221
73453512062
oct1067122335
9340677604
10148677853
1176a19965
1241960511
1324a5817c
1415a62c69
15d0bca6d
hex8dca4dd

148677853 has 4 divisors (see below), whose sum is σ = 150041980. Its totient is φ = 147313728.

The previous prime is 148677847. The next prime is 148677883. The reversal of 148677853 is 358776841.

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: 358776841 = 794541479.

It can be written as a sum of positive squares in 2 ways, for example, as 124500964 + 24176889 = 11158^2 + 4917^2 .

It is a cyclic number.

It is not a de Polignac number, because 148677853 - 25 = 148677821 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 148677797 and 148677806.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (148677833) 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, 681900 + ... + 682117.

It is an arithmetic number, because the mean of its divisors is an integer number (37510495).

Almost surely, 2148677853 is an apocalyptic number.

It is an amenable number.

148677853 is a deficient number, since it is larger than the sum of its proper divisors (1364127).

148677853 is a wasteful number, since it uses less digits than its factorization.

148677853 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1364126.

The product of its digits is 1128960, while the sum is 49.

The square root of 148677853 is about 12193.3528202870. The cubic root of 148677853 is about 529.7635743881.

The spelling of 148677853 in words is "one hundred forty-eight million, six hundred seventy-seven thousand, eight hundred fifty-three".

Divisors: 1 109 1364017 148677853