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30797614 = 215398807
BaseRepresentation
bin111010101111…
…0111100101110
32010221200101101
41311132330232
530341010424
63020033314
7522526651
oct165367456
963850341
1030797614
1116425781
12a39283a
1364c4053
144139898
152a85344
hex1d5ef2e

30797614 has 4 divisors (see below), whose sum is σ = 46196424. Its totient is φ = 15398806.

The previous prime is 30797603. The next prime is 30797617. The reversal of 30797614 is 41679703.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30797617) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7699402 + ... + 7699405.

It is an arithmetic number, because the mean of its divisors is an integer number (11549106).

Almost surely, 230797614 is an apocalyptic number.

30797614 is a deficient number, since it is larger than the sum of its proper divisors (15398810).

30797614 is a wasteful number, since it uses less digits than its factorization.

30797614 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15398809.

The product of its (nonzero) digits is 31752, while the sum is 37.

The square root of 30797614 is about 5549.5598023627. The cubic root of 30797614 is about 313.4529468880.

The spelling of 30797614 in words is "thirty million, seven hundred ninety-seven thousand, six hundred fourteen".

Divisors: 1 2 15398807 30797614