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1395842248 = 23174480281
BaseRepresentation
bin101001100110010…
…1101110011001000
310121021112010121001
41103030231303020
510324313422443
6350301424344
746406314633
oct12314556310
93537463531
101395842248
11656a09a39
1232b56b0b4
13193254178
14d354cc1a
1582822d4d
hex5332dcc8

1395842248 has 8 divisors (see below), whose sum is σ = 2617204230. Its totient is φ = 697921120.

The previous prime is 1395842243. The next prime is 1395842251. The reversal of 1395842248 is 8422485931.

It can be written as a sum of positive squares in only one way, i.e., 941385124 + 454457124 = 30682^2 + 21318^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 1395842198 and 1395842207.

It is not an unprimeable number, because it can be changed into a prime (1395842243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 87240133 + ... + 87240148.

Almost surely, 21395842248 is an apocalyptic number.

It is an amenable number.

1395842248 is a deficient number, since it is larger than the sum of its proper divisors (1221361982).

1395842248 is a wasteful number, since it uses less digits than its factorization.

1395842248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 174480287 (or 174480283 counting only the distinct ones).

The product of its digits is 552960, while the sum is 46.

The square root of 1395842248 is about 37360.9722571563. The cubic root of 1395842248 is about 1117.5804079760.

The spelling of 1395842248 in words is "one billion, three hundred ninety-five million, eight hundred forty-two thousand, two hundred forty-eight".

Divisors: 1 2 4 8 174480281 348960562 697921124 1395842248