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30206726 = 2113743863
BaseRepresentation
bin111001100111…
…0101100000110
32002211122211122
41303032230012
530213103401
62555233542
7514516154
oct163165406
962748748
1030206726
1116061840
12a1488b2
136348104
1440243d4
1529ba21b
hex1cceb06

30206726 has 32 divisors (see below), whose sum is σ = 52005888. Its totient is φ = 13033440.

The previous prime is 30206723. The next prime is 30206731. The reversal of 30206726 is 62760203.

It is a junction number, because it is equal to n+sod(n) for n = 30206695 and 30206704.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30206723) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34571 + ... + 35433.

It is an arithmetic number, because the mean of its divisors is an integer number (1625184).

Almost surely, 230206726 is an apocalyptic number.

30206726 is a deficient number, since it is larger than the sum of its proper divisors (21799162).

30206726 is a wasteful number, since it uses less digits than its factorization.

30206726 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 956.

The product of its (nonzero) digits is 3024, while the sum is 26.

The square root of 30206726 is about 5496.0645920513. The cubic root of 30206726 is about 311.4353349620.

Adding to 30206726 its reverse (62760203), we get a palindrome (92966929).

The spelling of 30206726 in words is "thirty million, two hundred six thousand, seven hundred twenty-six".

Divisors: 1 2 11 22 37 43 74 86 407 473 814 863 946 1591 1726 3182 9493 17501 18986 31931 35002 37109 63862 74218 351241 408199 702482 816398 1373033 2746066 15103363 30206726