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30828336400 = 245287792
BaseRepresentation
bin11100101101100000…
…110001010100010000
32221120110221202022001
4130231200301110100
51001114023231100
622055022123344
72140645351531
oct345540612420
987513852261
1030828336400
111208a879474
125b84420554
132ba3b89994
1416c646c688
15c066ebd6a
hex72d831510

30828336400 has 45 divisors (see below), whose sum is σ = 74073515781. Its totient is φ = 12329929920.

The previous prime is 30828336283. The next prime is 30828336457. The reversal of 30828336400 is 463382803.

The square root of 30828336400 is 175580.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 11098201104 + 19730135296 = 105348^2 + 140464^2 .

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 30828336400.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 3507211 + ... + 3515989.

Almost surely, 230828336400 is an apocalyptic number.

30828336400 is the 175580-th square number.

It is an amenable number.

30828336400 is an abundant number, since it is smaller than the sum of its proper divisors (43245179381).

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

30828336400 is an frugal number, since it uses more digits than its factorization.

30828336400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17576 (or 8786 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 37.

The spelling of 30828336400 in words is "thirty billion, eight hundred twenty-eight million, three hundred thirty-six thousand, four hundred".

Divisors: 1 2 4 5 8 10 16 20 25 40 50 80 100 200 400 8779 17558 35116 43895 70232 87790 140464 175580 219475 351160 438950 702320 877900 1755800 3511600 77070841 154141682 308283364 385354205 616566728 770708410 1233133456 1541416820 1926771025 3082833640 3853542050 6165667280 7707084100 15414168200 30828336400