Search a number
-
+
30707423 = 176592741
BaseRepresentation
bin111010100100…
…0111011011111
32010210002122222
41311020323133
530330114143
63014055555
7522003005
oct165107337
963702588
1030707423
1116373a3a
12a34a5bb
136491c96
144114a75
152a68768
hex1d48edf

30707423 has 8 divisors (see below), whose sum is σ = 32574960. Its totient is φ = 28846720.

The previous prime is 30707419. The next prime is 30707441. The reversal of 30707423 is 32470703.

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 30707423 - 22 = 30707419 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30707392 and 30707401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30707123) 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, 9833 + ... + 12573.

It is an arithmetic number, because the mean of its divisors is an integer number (4071870).

Almost surely, 230707423 is an apocalyptic number.

30707423 is a deficient number, since it is larger than the sum of its proper divisors (1867537).

30707423 is a wasteful number, since it uses less digits than its factorization.

30707423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3417.

The product of its (nonzero) digits is 3528, while the sum is 26.

The square root of 30707423 is about 5541.4278845799. The cubic root of 30707423 is about 313.1466647560.

The spelling of 30707423 in words is "thirty million, seven hundred seven thousand, four hundred twenty-three".

Divisors: 1 17 659 2741 11203 46597 1806319 30707423