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13450137 = 314893011
BaseRepresentation
bin110011010011…
…101110011001
3221022100010020
4303103232121
511420401022
61200141053
7222216141
oct63235631
927270106
1013450137
117657318
124607789
132a2c07c
141b01921
1512aa35c
hexcd3b99

13450137 has 8 divisors (see below), whose sum is σ = 17951520. Its totient is φ = 8957760.

The previous prime is 13450133. The next prime is 13450159. The reversal of 13450137 is 73105431.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 13450137 - 22 = 13450133 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13450133) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2962 + ... + 5972.

It is an arithmetic number, because the mean of its divisors is an integer number (2243940).

Almost surely, 213450137 is an apocalyptic number.

It is an amenable number.

13450137 is a deficient number, since it is larger than the sum of its proper divisors (4501383).

13450137 is a wasteful number, since it uses less digits than its factorization.

13450137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4503.

The product of its (nonzero) digits is 1260, while the sum is 24.

The square root of 13450137 is about 3667.4428420904. The cubic root of 13450137 is about 237.8166384226.

Adding to 13450137 its reverse (73105431), we get a palindrome (86555568).

The spelling of 13450137 in words is "thirteen million, four hundred fifty thousand, one hundred thirty-seven".

Divisors: 1 3 1489 3011 4467 9033 4483379 13450137