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2248656400 = 245223712
BaseRepresentation
bin1000011000000111…
…1100011000010000
312210201020120200101
42012001330120100
514101124001100
61011044302144
7106503156364
oct20601743020
95721216611
102248656400
11a54342921
125290a1954
1329ab39323
141749052a4
15d262d86a
hex8607c610

2248656400 has 45 divisors (see below), whose sum is σ = 5404676493. Its totient is φ = 899083200.

The previous prime is 2248656379. The next prime is 2248656401. The reversal of 2248656400 is 46568422.

The square root of 2248656400 is 47420.

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., 809516304 + 1439140096 = 28452^2 + 37936^2 .

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 2248656400.

It is not an unprimeable number, because it can be changed into a prime (2248656401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 947215 + ... + 949585.

Almost surely, 22248656400 is an apocalyptic number.

2248656400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

2248656400 is the 47420-th square number.

It is an amenable number.

2248656400 is an abundant number, since it is smaller than the sum of its proper divisors (3156020093).

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

2248656400 is an frugal number, since it uses more digits than its factorization.

2248656400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4760 (or 2378 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 37.

The cubic root of 2248656400 is about 1310.1098134543.

The spelling of 2248656400 in words is "two billion, two hundred forty-eight million, six hundred fifty-six thousand, four hundred".

Divisors: 1 2 4 5 8 10 16 20 25 40 50 80 100 200 400 2371 4742 9484 11855 18968 23710 37936 47420 59275 94840 118550 189680 237100 474200 948400 5621641 11243282 22486564 28108205 44973128 56216410 89946256 112432820 140541025 224865640 281082050 449731280 562164100 1124328200 2248656400