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30200474 = 215839539
BaseRepresentation
bin111001100110…
…1001010011010
32002211100021002
41303031022122
530212403344
62555145002
7514462013
oct163151232
962740232
1030200474
1116058077
12a145162
136345305
14402200a
1529b844e
hex1ccd29a

30200474 has 8 divisors (see below), whose sum is σ = 45334080. Its totient is φ = 15089116.

The previous prime is 30200441. The next prime is 30200501. The reversal of 30200474 is 47400203.

It is a happy number.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1604 + ... + 7935.

It is an arithmetic number, because the mean of its divisors is an integer number (5666760).

Almost surely, 230200474 is an apocalyptic number.

30200474 is a deficient number, since it is larger than the sum of its proper divisors (15133606).

30200474 is a wasteful number, since it uses less digits than its factorization.

30200474 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11124.

The product of its (nonzero) digits is 672, while the sum is 20.

The square root of 30200474 is about 5495.4957920100. The cubic root of 30200474 is about 311.4138471642.

Adding to 30200474 its reverse (47400203), we get a palindrome (77600677).

The spelling of 30200474 in words is "thirty million, two hundred thousand, four hundred seventy-four".

Divisors: 1 2 1583 3166 9539 19078 15100237 30200474