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30744407 is a prime number
BaseRepresentation
bin111010101000…
…1111101010111
32010211222101202
41311101331113
530332310112
63014543115
7522215561
oct165217527
963758352
1030744407
1116399801
12a367a9b
1364a5a75
144124331
152a746c2
hex1d51f57

30744407 has 2 divisors, whose sum is σ = 30744408. Its totient is φ = 30744406.

The previous prime is 30744403. The next prime is 30744421. The reversal of 30744407 is 70444703.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 30744407 - 22 = 30744403 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 30744407.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30744403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15372203 + 15372204.

It is an arithmetic number, because the mean of its divisors is an integer number (15372204).

Almost surely, 230744407 is an apocalyptic number.

30744407 is a deficient number, since it is larger than the sum of its proper divisors (1).

30744407 is an equidigital number, since it uses as much as digits as its factorization.

30744407 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9408, while the sum is 29.

The square root of 30744407 is about 5544.7639264445. The cubic root of 30744407 is about 313.2723321970.

The spelling of 30744407 in words is "thirty million, seven hundred forty-four thousand, four hundred seven".