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30044700 = 223252719251
BaseRepresentation
bin111001010011…
…1001000011100
32002112102120200
41302213020130
530142412300
62551543500
7513242610
oct162471034
962472520
1030044700
1115a61034
12a08ab90
1362bc43a
143dc1340
152987200
hex1ca721c

30044700 has 216 divisors, whose sum is σ = 113742720. Its totient is φ = 6480000.

The previous prime is 30044699. The next prime is 30044713. The reversal of 30044700 is 744003.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 119575 + ... + 119825.

Almost surely, 230044700 is an apocalyptic number.

30044700 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30044700, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (56871360).

30044700 is an abundant number, since it is smaller than the sum of its proper divisors (83698020).

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

30044700 is a wasteful number, since it uses less digits than its factorization.

30044700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 297 (or 287 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 18.

The square root of 30044700 is about 5481.3045892379. The cubic root of 30044700 is about 310.8774998914.

Adding to 30044700 its reverse (744003), we get a palindrome (30788703).

The spelling of 30044700 in words is "thirty million, forty-four thousand, seven hundred".