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148129039 = 236440393
BaseRepresentation
bin10001101010001…
…00010100001111
3101022201201211201
420311010110033
5300410112124
622410530331
73446035042
oct1065042417
9338651751
10148129039
11766845a3
12417369a7
13248c5426
141595cc59
15d010144
hex8d4450f

148129039 has 4 divisors (see below), whose sum is σ = 154569456. Its totient is φ = 141688624.

The previous prime is 148129031. The next prime is 148129049. The reversal of 148129039 is 930921841.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 148129039 - 23 = 148129031 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 148128989 and 148129007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (148129031) 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, 3220174 + ... + 3220219.

It is an arithmetic number, because the mean of its divisors is an integer number (38642364).

Almost surely, 2148129039 is an apocalyptic number.

148129039 is a deficient number, since it is larger than the sum of its proper divisors (6440417).

148129039 is an equidigital number, since it uses as much as digits as its factorization.

148129039 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6440416.

The product of its (nonzero) digits is 15552, while the sum is 37.

The square root of 148129039 is about 12170.8273753266. The cubic root of 148129039 is about 529.1109325998.

The spelling of 148129039 in words is "one hundred forty-eight million, one hundred twenty-nine thousand, thirty-nine".

Divisors: 1 23 6440393 148129039