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30283998 = 235047333
BaseRepresentation
bin111001110000…
…1100011011110
32002222120211120
41303201203132
530223041443
63001031410
7515260353
oct163414336
962876746
1030283998
11161048a8
12a185566
136374334
14404462a
1529d3083
hex1ce18de

30283998 has 8 divisors (see below), whose sum is σ = 60568008. Its totient is φ = 10094664.

The previous prime is 30283991. The next prime is 30284003. The reversal of 30283998 is 89938203.

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

30283998 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30283991) 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, 2523661 + ... + 2523672.

It is an arithmetic number, because the mean of its divisors is an integer number (7571001).

Almost surely, 230283998 is an apocalyptic number.

30283998 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30283998 is a wasteful number, since it uses less digits than its factorization.

30283998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5047338.

The product of its (nonzero) digits is 93312, while the sum is 42.

The square root of 30283998 is about 5503.0898593427. The cubic root of 30283998 is about 311.7006703473.

The spelling of 30283998 in words is "thirty million, two hundred eighty-three thousand, nine hundred ninety-eight".

Divisors: 1 2 3 6 5047333 10094666 15141999 30283998