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30540229 = 594311201
BaseRepresentation
bin111010010000…
…0000111000101
32010110121022121
41310200013011
530304241404
63010325541
7520405366
oct164400705
963417277
1030540229
111626a365
12a2898b1
136433b55
1440adb6d
152a33e54
hex1d201c5

30540229 has 8 divisors (see below), whose sum is σ = 31155840. Its totient is φ = 29928000.

The previous prime is 30540227. The next prime is 30540233. The reversal of 30540229 is 92204503.

It is a happy number.

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 30540229 - 21 = 30540227 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30540227) 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, 24829 + ... + 26029.

It is an arithmetic number, because the mean of its divisors is an integer number (3894480).

Almost surely, 230540229 is an apocalyptic number.

It is an amenable number.

30540229 is a deficient number, since it is larger than the sum of its proper divisors (615611).

30540229 is a wasteful number, since it uses less digits than its factorization.

30540229 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1691.

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 30540229 is about 5526.3214709244. The cubic root of 30540229 is about 312.5772958662.

The spelling of 30540229 in words is "thirty million, five hundred forty thousand, two hundred twenty-nine".

Divisors: 1 59 431 1201 25429 70859 517631 30540229