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30461427 = 341919793
BaseRepresentation
bin111010000110…
…0110111110011
32010022121020000
41310030313303
530244231202
63004521043
7516626553
oct164146763
963277200
1030461427
1116216137
12a250183
136407019
14408d163
152a1a91c
hex1d0cdf3

30461427 has 20 divisors (see below), whose sum is σ = 47901480. Its totient is φ = 19237824.

The previous prime is 30461419. The next prime is 30461441. The reversal of 30461427 is 72416403.

It is not a de Polignac number, because 30461427 - 23 = 30461419 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a self number, because there is not a number n which added to its sum of digits gives 30461427.

It is not an unprimeable number, because it can be changed into a prime (30461447) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 8358 + ... + 11435.

It is an arithmetic number, because the mean of its divisors is an integer number (2395074).

Almost surely, 230461427 is an apocalyptic number.

30461427 is a deficient number, since it is larger than the sum of its proper divisors (17440053).

30461427 is a wasteful number, since it uses less digits than its factorization.

30461427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19824 (or 19815 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 27.

The square root of 30461427 is about 5519.1871684153. The cubic root of 30461427 is about 312.3082198226.

The spelling of 30461427 in words is "thirty million, four hundred sixty-one thousand, four hundred twenty-seven".

Divisors: 1 3 9 19 27 57 81 171 513 1539 19793 59379 178137 376067 534411 1128201 1603233 3384603 10153809 30461427