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1382888692 = 221255327541
BaseRepresentation
bin101001001101101…
…0011010011110100
310120101011000122201
41102123103103310
510313004414232
6345120034244
746161234313
oct12233232364
93511130581
101382888692
1164a671819
12327162984
1319066a143
14d193a27a
1581614be7
hex526d34f4

1382888692 has 12 divisors (see below), whose sum is σ = 2420335876. Its totient is φ = 691364160.

The previous prime is 1382888687. The next prime is 1382888699. The reversal of 1382888692 is 2968882831.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1100514276 + 282374416 = 33174^2 + 16804^2 .

It is a super-2 number, since 2×13828886922 = 3824762268922941728, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1382888699) 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, 36442 + ... + 63982.

Almost surely, 21382888692 is an apocalyptic number.

It is an amenable number.

1382888692 is a deficient number, since it is larger than the sum of its proper divisors (1037447184).

1382888692 is a wasteful number, since it uses less digits than its factorization.

1382888692 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40098 (or 40096 counting only the distinct ones).

The product of its digits is 2654208, while the sum is 55.

The square root of 1382888692 is about 37187.2114039222. The cubic root of 1382888692 is about 1114.1125723873.

The spelling of 1382888692 in words is "one billion, three hundred eighty-two million, eight hundred eighty-eight thousand, six hundred ninety-two".

Divisors: 1 2 4 12553 25106 27541 50212 55082 110164 345722173 691444346 1382888692