Search a number
-
+
30917037 = 323448073
BaseRepresentation
bin111010111110…
…0000110101101
32011011202012110
41311330012231
530403321122
63022354233
7523535064
oct165740655
964152173
1030917037
11164a7478
12a42b979
136536508
14416b1db
152aaa90c
hex1d7c1ad

30917037 has 8 divisors (see below), whose sum is σ = 43015104. Its totient is φ = 19715168.

The previous prime is 30917027. The next prime is 30917039. The reversal of 30917037 is 73071903.

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

It is a cyclic number.

It is not a de Polignac number, because 30917037 - 212 = 30912941 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 30916995 and 30917013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30917039) 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, 223968 + ... + 224105.

It is an arithmetic number, because the mean of its divisors is an integer number (5376888).

Almost surely, 230917037 is an apocalyptic number.

It is an amenable number.

30917037 is a deficient number, since it is larger than the sum of its proper divisors (12098067).

30917037 is a wasteful number, since it uses less digits than its factorization.

30917037 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 448099.

The product of its (nonzero) digits is 3969, while the sum is 30.

The square root of 30917037 is about 5560.3090741433. The cubic root of 30917037 is about 313.8575800773.

The spelling of 30917037 in words is "thirty million, nine hundred seventeen thousand, thirty-seven".

Divisors: 1 3 23 69 448073 1344219 10305679 30917037