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30580469 is a prime number
BaseRepresentation
bin111010010100…
…1111011110101
32010112122111222
41310221323311
530312033334
63011240125
7520633613
oct164517365
963478458
1030580469
1116297617
12a2a9045
13644926a
1440c06b3
152a40d2e
hex1d29ef5

30580469 has 2 divisors, whose sum is σ = 30580470. Its totient is φ = 30580468.

The previous prime is 30580421. The next prime is 30580531. The reversal of 30580469 is 96408503.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 29702500 + 877969 = 5450^2 + 937^2 .

It is an emirp because it is prime and its reverse (96408503) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-30580469 is a prime.

It is a super-2 number, since 2×305804692 = 1870330168519922, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30580969) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15290234 + 15290235.

It is an arithmetic number, because the mean of its divisors is an integer number (15290235).

Almost surely, 230580469 is an apocalyptic number.

It is an amenable number.

30580469 is a deficient number, since it is larger than the sum of its proper divisors (1).

30580469 is an equidigital number, since it uses as much as digits as its factorization.

30580469 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 25920, while the sum is 35.

The square root of 30580469 is about 5529.9610306041. The cubic root of 30580469 is about 312.7145202257.

The spelling of 30580469 in words is "thirty million, five hundred eighty thousand, four hundred sixty-nine".