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30712301 = 268311447
BaseRepresentation
bin111010100101…
…0000111101101
32010210100100122
41311022013231
530330243201
63014134325
7522023144
oct165120755
963710318
1030712301
1116377674
12a3513a5
136494279
14411675b
152a69e1b
hex1d4a1ed

30712301 has 4 divisors (see below), whose sum is σ = 30726432. Its totient is φ = 30698172.

The previous prime is 30712259. The next prime is 30712307. The reversal of 30712301 is 10321703.

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 a cyclic number.

It is not a de Polignac number, because 30712301 - 218 = 30450157 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 30712301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30712307) 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, 3041 + ... + 8406.

It is an arithmetic number, because the mean of its divisors is an integer number (7681608).

Almost surely, 230712301 is an apocalyptic number.

It is an amenable number.

30712301 is a deficient number, since it is larger than the sum of its proper divisors (14131).

30712301 is a wasteful number, since it uses less digits than its factorization.

30712301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14130.

The product of its (nonzero) digits is 126, while the sum is 17.

The square root of 30712301 is about 5541.8680063675. The cubic root of 30712301 is about 313.1632454218.

It can be divided in two parts, 30712 and 301, that added together give a palindrome (31013).

The spelling of 30712301 in words is "thirty million, seven hundred twelve thousand, three hundred one".

Divisors: 1 2683 11447 30712301