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30524906 = 219803287
BaseRepresentation
bin111010001110…
…0010111101010
32010102211022002
41310130113222
530303244111
63010131002
7520312616
oct164342752
963384262
1030524906
11162598a5
12a280a62
136429b99
1440a8346
152a2e63b
hex1d1c5ea

30524906 has 8 divisors (see below), whose sum is σ = 48197280. Its totient is φ = 14459148.

The previous prime is 30524903. The next prime is 30524929. The reversal of 30524906 is 60942503.

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

It is not an unprimeable number, because it can be changed into a prime (30524903) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 401606 + ... + 401681.

It is an arithmetic number, because the mean of its divisors is an integer number (6024660).

Almost surely, 230524906 is an apocalyptic number.

30524906 is a deficient number, since it is larger than the sum of its proper divisors (17672374).

30524906 is a wasteful number, since it uses less digits than its factorization.

30524906 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 803308.

The product of its (nonzero) digits is 6480, while the sum is 29.

The square root of 30524906 is about 5524.9349317435. The cubic root of 30524906 is about 312.5250104783.

The spelling of 30524906 in words is "thirty million, five hundred twenty-four thousand, nine hundred six".

Divisors: 1 2 19 38 803287 1606574 15262453 30524906