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30529190 = 253052919
BaseRepresentation
bin111010001110…
…1011010100110
32010110001011202
41310131122212
530303413230
63010202502
7520331246
oct164353246
963401152
1030529190
111626203a
12a283432
13642bb13
1440a9b26
152a30a45
hex1d1d6a6

30529190 has 8 divisors (see below), whose sum is σ = 54952560. Its totient is φ = 12211672.

The previous prime is 30529189. The next prime is 30529193. The reversal of 30529190 is 9192503.

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

It is a super-2 number, since 2×305291902 = 1864062884112200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30529193) 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, 1526450 + ... + 1526469.

It is an arithmetic number, because the mean of its divisors is an integer number (6869070).

Almost surely, 230529190 is an apocalyptic number.

30529190 is a deficient number, since it is larger than the sum of its proper divisors (24423370).

30529190 is a wasteful number, since it uses less digits than its factorization.

30529190 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3052926.

The product of its (nonzero) digits is 2430, while the sum is 29.

The square root of 30529190 is about 5525.3226150153. The cubic root of 30529190 is about 312.5396301740.

The spelling of 30529190 in words is "thirty million, five hundred twenty-nine thousand, one hundred ninety".

Divisors: 1 2 5 10 3052919 6105838 15264595 30529190