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30461313 = 3193117239
BaseRepresentation
bin111010000110…
…0110110000001
32010022121001210
41310030312001
530244230223
63004520333
7516626331
oct164146601
963277053
1030461313
1116216043
12a2500a9
136406c5c
14408d0c1
152a1a893
hex1d0cd81

30461313 has 16 divisors (see below), whose sum is σ = 44134400. Its totient is φ = 18617040.

The previous prime is 30461309. The next prime is 30461317. The reversal of 30461313 is 31316403.

It is an interprime number because it is at equal distance from previous prime (30461309) and next prime (30461317).

It is not a de Polignac number, because 30461313 - 22 = 30461309 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 30461313.

It is not an unprimeable number, because it can be changed into a prime (30461317) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6853 + ... + 10386.

It is an arithmetic number, because the mean of its divisors is an integer number (2758400).

Almost surely, 230461313 is an apocalyptic number.

It is an amenable number.

30461313 is a deficient number, since it is larger than the sum of its proper divisors (13673087).

30461313 is a wasteful number, since it uses less digits than its factorization.

30461313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17292.

The product of its (nonzero) digits is 648, while the sum is 21.

The square root of 30461313 is about 5519.1768407979. The cubic root of 30461313 is about 312.3078302240.

Adding to 30461313 its reverse (31316403), we get a palindrome (61777716).

The spelling of 30461313 in words is "thirty million, four hundred sixty-one thousand, three hundred thirteen".

Divisors: 1 3 19 31 57 93 589 1767 17239 51717 327541 534409 982623 1603227 10153771 30461313