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30540365 = 547129959
BaseRepresentation
bin111010010000…
…0001001001101
32010110121111122
41310200021031
530304242430
63010330325
7520405652
oct164401115
963417448
1030540365
111626a479
12a2899a5
136433c2b
1440adc29
152a33ee5
hex1d2024d

30540365 has 8 divisors (see below), whose sum is σ = 37428480. Its totient is φ = 23912272.

The previous prime is 30540361. The next prime is 30540371. The reversal of 30540365 is 56304503.

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

It is a cyclic number.

It is not a de Polignac number, because 30540365 - 22 = 30540361 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30540361) 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, 64745 + ... + 65214.

It is an arithmetic number, because the mean of its divisors is an integer number (4678560).

Almost surely, 230540365 is an apocalyptic number.

It is an amenable number.

30540365 is a deficient number, since it is larger than the sum of its proper divisors (6888115).

30540365 is a wasteful number, since it uses less digits than its factorization.

30540365 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130011.

The product of its (nonzero) digits is 5400, while the sum is 26.

The square root of 30540365 is about 5526.3337756600. Note that the first 3 decimals coincide. The cubic root of 30540365 is about 312.5777598493.

Adding to 30540365 its reverse (56304503), we get a palindrome (86844868).

The spelling of 30540365 in words is "thirty million, five hundred forty thousand, three hundred sixty-five".

Divisors: 1 5 47 235 129959 649795 6108073 30540365