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1351401332 = 221719873549
BaseRepresentation
bin101000010001100…
…1011111101110100
310111011220022010012
41100203023331310
510231424320312
6342033115352
745326502401
oct12043137564
93434808105
101351401332
11633915906
123186b8b58
13186c94178
14cb6a12a8
157d995322
hex508cbf74

1351401332 has 12 divisors (see below), whose sum is σ = 2504067300. Its totient is φ = 635953536.

The previous prime is 1351401307. The next prime is 1351401407. The reversal of 1351401332 is 2331041531.

It can be written as a sum of positive squares in 2 ways, for example, as 549152356 + 802248976 = 23434^2 + 28324^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1351401298 and 1351401307.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9936707 + ... + 9936842.

It is an arithmetic number, because the mean of its divisors is an integer number (208672275).

Almost surely, 21351401332 is an apocalyptic number.

It is an amenable number.

1351401332 is a deficient number, since it is larger than the sum of its proper divisors (1152665968).

1351401332 is a wasteful number, since it uses less digits than its factorization.

1351401332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19873570 (or 19873568 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 23.

The square root of 1351401332 is about 36761.4109087233. The cubic root of 1351401332 is about 1105.5917285531.

Adding to 1351401332 its reverse (2331041531), we get a palindrome (3682442863).

The spelling of 1351401332 in words is "one billion, three hundred fifty-one million, four hundred one thousand, three hundred thirty-two".

Divisors: 1 2 4 17 34 68 19873549 39747098 79494196 337850333 675700666 1351401332