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30400200 = 23325216889
BaseRepresentation
bin111001111110…
…1111011001000
32010012111020100
41303331323020
530240301300
63003325400
7516253215
oct163757310
963174210
1030400200
1116184136
12a220860
1363b51ac
144074b0c
152a07700
hex1cfdec8

30400200 has 72 divisors (see below), whose sum is σ = 102100050. Its totient is φ = 8106240.

The previous prime is 30400189. The next prime is 30400219. The reversal of 30400200 is 200403.

It can be written as a sum of positive squares in 3 ways, for example, as 13704804 + 16695396 = 3702^2 + 4086^2 .

It is a tau number, because it is divible by the number of its divisors (72).

It is a Harshad number since it is a multiple of its sum of digits (9).

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 6645 + ... + 10244.

Almost surely, 230400200 is an apocalyptic number.

30400200 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

30400200 is an abundant number, since it is smaller than the sum of its proper divisors (71699850).

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

30400200 is a wasteful number, since it uses less digits than its factorization.

30400200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16911 (or 16899 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 9.

The square root of 30400200 is about 5513.6376377125. The cubic root of 30400200 is about 312.0988345658.

Adding to 30400200 its reverse (200403), we get a palindrome (30600603).

The spelling of 30400200 in words is "thirty million, four hundred thousand, two hundred".

Divisors: 1 2 3 4 5 6 8 9 10 12 15 18 20 24 25 30 36 40 45 50 60 72 75 90 100 120 150 180 200 225 300 360 450 600 900 1800 16889 33778 50667 67556 84445 101334 135112 152001 168890 202668 253335 304002 337780 405336 422225 506670 608004 675560 760005 844450 1013340 1216008 1266675 1520010 1688900 2026680 2533350 3040020 3377800 3800025 5066700 6080040 7600050 10133400 15200100 30400200