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30713379 = 310237793
BaseRepresentation
bin111010100101…
…0011000100011
32010210101211120
41311022120203
530330312004
63014143323
7522026244
oct165123043
963711746
1030713379
1116378464
12a351b43
1364948c8
144116ccb
152a6a3d9
hex1d4a623

30713379 has 4 divisors (see below), whose sum is σ = 40951176. Its totient is φ = 20475584.

The previous prime is 30713377. The next prime is 30713411. The reversal of 30713379 is 97331703.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 30713379 - 21 = 30713377 is a prime.

It is not an unprimeable number, because it can be changed into a prime (30713377) 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, 5118894 + ... + 5118899.

It is an arithmetic number, because the mean of its divisors is an integer number (10237794).

Almost surely, 230713379 is an apocalyptic number.

30713379 is a deficient number, since it is larger than the sum of its proper divisors (10237797).

30713379 is a wasteful number, since it uses less digits than its factorization.

30713379 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10237796.

The product of its (nonzero) digits is 11907, while the sum is 33.

The square root of 30713379 is about 5541.9652651384. The cubic root of 30713379 is about 313.1669093829.

The spelling of 30713379 in words is "thirty million, seven hundred thirteen thousand, three hundred seventy-nine".

Divisors: 1 3 10237793 30713379