Search a number
-
+
133906941 = 3274574651
BaseRepresentation
bin1111111101101…
…00000111111101
3100022222011210100
413332310013331
5233240010231
621142031313
73214122150
oct776640775
9308864710
10133906941
11696502a3
1238a18539
1321985b9c
1413ad9c97
15bb511e6
hex7fb41fd

133906941 has 24 divisors (see below), whose sum is σ = 221584064. Its totient is φ = 76334400.

The previous prime is 133906907. The next prime is 133906957. The reversal of 133906941 is 149609331.

It is not a de Polignac number, because 133906941 - 215 = 133874173 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 133906896 and 133906905.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133906961) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 26466 + ... + 31116.

Almost surely, 2133906941 is an apocalyptic number.

It is an amenable number.

133906941 is a deficient number, since it is larger than the sum of its proper divisors (87677123).

133906941 is a wasteful number, since it uses less digits than its factorization.

133906941 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5121 (or 5118 counting only the distinct ones).

The product of its (nonzero) digits is 17496, while the sum is 36.

The square root of 133906941 is about 11571.8166680949. The cubic root of 133906941 is about 511.6045084771.

The spelling of 133906941 in words is "one hundred thirty-three million, nine hundred six thousand, nine hundred forty-one".

Divisors: 1 3 7 9 21 63 457 1371 3199 4113 4651 9597 13953 28791 32557 41859 97671 293013 2125507 6376521 14878549 19129563 44635647 133906941