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30238417 = 114363929
BaseRepresentation
bin111001101011…
…0011011010001
32002220021022101
41303112123101
530220112132
63000040401
7515010436
oct163263321
962807271
1030238417
1116083630
12a163101
136359671
144031b8d
1529c47e7
hex1cd66d1

30238417 has 8 divisors (see below), whose sum is σ = 33755040. Its totient is φ = 26849760.

The previous prime is 30238409. The next prime is 30238421. The reversal of 30238417 is 71483203.

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 30238417 - 23 = 30238409 is a prime.

It is not an unprimeable number, because it can be changed into a prime (30238457) 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, 31492 + ... + 32437.

It is an arithmetic number, because the mean of its divisors is an integer number (4219380).

Almost surely, 230238417 is an apocalyptic number.

It is an amenable number.

30238417 is a deficient number, since it is larger than the sum of its proper divisors (3516623).

30238417 is a wasteful number, since it uses less digits than its factorization.

30238417 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63983.

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 30238417 is about 5498.9468991799. The cubic root of 30238417 is about 311.5442096947.

The spelling of 30238417 in words is "thirty million, two hundred thirty-eight thousand, four hundred seventeen".

Divisors: 1 11 43 473 63929 703219 2748947 30238417