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30790407 = 310699601
BaseRepresentation
bin111010101110…
…1001100000111
32010221022111110
41311131030013
530340243112
63015540103
7522466644
oct165351407
963838443
1030790407
111642031a
12a38a633
1364c099b
144136dcb
152a8313c
hex1d5d307

30790407 has 8 divisors (see below), whose sum is σ = 41096560. Its totient is φ = 20505600.

The previous prime is 30790391. The next prime is 30790447. The reversal of 30790407 is 70409703.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 30790407 - 24 = 30790391 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30790447) 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, 1594 + ... + 8007.

It is an arithmetic number, because the mean of its divisors is an integer number (5137070).

Almost surely, 230790407 is an apocalyptic number.

30790407 is a deficient number, since it is larger than the sum of its proper divisors (10306153).

30790407 is a wasteful number, since it uses less digits than its factorization.

30790407 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10673.

The product of its (nonzero) digits is 5292, while the sum is 30.

The square root of 30790407 is about 5548.9104335896. The cubic root of 30790407 is about 313.4284944350.

The spelling of 30790407 in words is "thirty million, seven hundred ninety thousand, four hundred seven".

Divisors: 1 3 1069 3207 9601 28803 10263469 30790407