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30707014 = 2131181039
BaseRepresentation
bin111010100100…
…0110101000110
32010210002002211
41311020311012
530330111024
63014054034
7522001552
oct165106506
963702084
1030707014
11163736a8
12a34a31a
136491a40
144114862
152a68594
hex1d48d46

30707014 has 8 divisors (see below), whose sum is σ = 49603680. Its totient is φ = 14172456.

The previous prime is 30707011. The next prime is 30707051. The reversal of 30707014 is 41070703.

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

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30707011) 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, 590494 + ... + 590545.

It is an arithmetic number, because the mean of its divisors is an integer number (6200460).

Almost surely, 230707014 is an apocalyptic number.

30707014 is a deficient number, since it is larger than the sum of its proper divisors (18896666).

30707014 is a wasteful number, since it uses less digits than its factorization.

30707014 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1181054.

The product of its (nonzero) digits is 588, while the sum is 22.

The square root of 30707014 is about 5541.3909806113. The cubic root of 30707014 is about 313.1452744564.

Adding to 30707014 its reverse (41070703), we get a palindrome (71777717).

The spelling of 30707014 in words is "thirty million, seven hundred seven thousand, fourteen".

Divisors: 1 2 13 26 1181039 2362078 15353507 30707014