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30413073 = 310137691
BaseRepresentation
bin111010000000…
…1000100010001
32010020010220010
41310001010101
530241204243
63003505133
7516335565
oct164010421
963203803
1030413073
1116192879
12a2281a9
1363bb002
1440796a5
152a0b433
hex1d01111

30413073 has 4 divisors (see below), whose sum is σ = 40550768. Its totient is φ = 20275380.

The previous prime is 30413069. The next prime is 30413087. The reversal of 30413073 is 37031403.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 30413073 - 22 = 30413069 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (30413003) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5068843 + ... + 5068848.

It is an arithmetic number, because the mean of its divisors is an integer number (10137692).

Almost surely, 230413073 is an apocalyptic number.

It is an amenable number.

30413073 is a deficient number, since it is larger than the sum of its proper divisors (10137695).

30413073 is a wasteful number, since it uses less digits than its factorization.

30413073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10137694.

The product of its (nonzero) digits is 756, while the sum is 21.

The square root of 30413073 is about 5514.8048922877. The cubic root of 30413073 is about 312.1428812206.

Adding to 30413073 its reverse (37031403), we get a palindrome (67444476).

The spelling of 30413073 in words is "thirty million, four hundred thirteen thousand, seventy-three".

Divisors: 1 3 10137691 30413073