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2148334949 = 13734745191
BaseRepresentation
bin1000000000001100…
…1111110101100101
312112201110201112002
42000003033311211
513344433204244
6553102135045
7104144355125
oct20003176545
95481421462
102148334949
11a02751932
124bb581485
13283112417
1416546cc85
15c8913a4e
hex800cfd65

2148334949 has 8 divisors (see below), whose sum is σ = 2170300608. Its totient is φ = 2126460640.

The previous prime is 2148334939. The next prime is 2148334961. The reversal of 2148334949 is 9494338412.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2148334949 - 220 = 2147286373 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 (2148334919) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24944 + ... + 70134.

It is an arithmetic number, because the mean of its divisors is an integer number (271287576).

Almost surely, 22148334949 is an apocalyptic number.

It is an amenable number.

2148334949 is a deficient number, since it is larger than the sum of its proper divisors (21965659).

2148334949 is a wasteful number, since it uses less digits than its factorization.

2148334949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45675.

The product of its digits is 746496, while the sum is 47.

The square root of 2148334949 is about 46350.1342932251. The cubic root of 2148334949 is about 1290.3296133062.

The spelling of 2148334949 in words is "two billion, one hundred forty-eight million, three hundred thirty-four thousand, nine hundred forty-nine".

Divisors: 1 137 347 45191 47539 6191167 15681277 2148334949