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39970341 = 3654829
BaseRepresentation
bin1001100001111…
…0011000100101
32210012201000000
42120132120211
540213022331
63544411513
7663512415
oct230363045
983181000
1039970341
1120620344
1211476b99
1383861b8
145446645
1537980e6
hex261e625

39970341 has 14 divisors (see below), whose sum is σ = 59929190. Its totient is φ = 26646408.

The previous prime is 39970339. The next prime is 39970361. The reversal of 39970341 is 14307993.

It can be written as a sum of positive squares in only one way, i.e., 28579716 + 11390625 = 5346^2 + 3375^2 .

It is not a de Polignac number, because 39970341 - 21 = 39970339 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 39970296 and 39970305.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39970331) by changing a digit.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 26686 + ... + 28143.

Almost surely, 239970341 is an apocalyptic number.

It is an amenable number.

39970341 is a deficient number, since it is larger than the sum of its proper divisors (19958849).

39970341 is an frugal number, since it uses more digits than its factorization.

39970341 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54847 (or 54832 counting only the distinct ones).

The product of its (nonzero) digits is 20412, while the sum is 36.

The square root of 39970341 is about 6322.2101357041. The cubic root of 39970341 is about 341.9106414742.

The spelling of 39970341 in words is "thirty-nine million, nine hundred seventy thousand, three hundred forty-one".

Divisors: 1 3 9 27 81 243 729 54829 164487 493461 1480383 4441149 13323447 39970341