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1392127248 = 243283710223
BaseRepresentation
bin101001011111010…
…0010110100010000
310121000112101120110
41102332202310100
510322341032443
6350050041320
746332613011
oct12276426420
93530471513
101392127248
11654901896
1232a279240
13192553245
14d2c63008
158233c233
hex52fa2d10

1392127248 has 40 divisors (see below), whose sum is σ = 3597948288. Its totient is φ = 463833472.

The previous prime is 1392127237. The next prime is 1392127249. The reversal of 1392127248 is 8427212931.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (1392127249) 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, 131065 + ... + 141287.

Almost surely, 21392127248 is an apocalyptic number.

It is an amenable number.

1392127248 is an abundant number, since it is smaller than the sum of its proper divisors (2205821040).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1392127248 is a wasteful number, since it uses less digits than its factorization.

1392127248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13071 (or 13065 counting only the distinct ones).

The product of its digits is 48384, while the sum is 39.

The square root of 1392127248 is about 37311.2214755829. The cubic root of 1392127248 is about 1116.5880561082.

The spelling of 1392127248 in words is "one billion, three hundred ninety-two million, one hundred twenty-seven thousand, two hundred forty-eight".

Divisors: 1 2 3 4 6 8 12 16 24 48 2837 5674 8511 10223 11348 17022 20446 22696 30669 34044 40892 45392 61338 68088 81784 122676 136176 163568 245352 490704 29002651 58005302 87007953 116010604 174015906 232021208 348031812 464042416 696063624 1392127248