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2253056840 = 23556326421
BaseRepresentation
bin1000011001001010…
…1110101101001000
312211000112010221122
42012102232231020
514103240304330
61011322454412
7106555444556
oct20622565510
95730463848
102253056840
11a56878a51
1252a664408
1329ba1a238
1417532cbd6
15d2bec5e5
hex864aeb48

2253056840 has 16 divisors (see below), whose sum is σ = 5069377980. Its totient is φ = 901222720.

The previous prime is 2253056833. The next prime is 2253056849. The reversal of 2253056840 is 486503522.

It can be written as a sum of positive squares in 2 ways, for example, as 2114712196 + 138344644 = 45986^2 + 11762^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2253056840.

It is not an unprimeable number, because it can be changed into a prime (2253056849) 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, 28163171 + ... + 28163250.

Almost surely, 22253056840 is an apocalyptic number.

2253056840 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2253056840 is an abundant number, since it is smaller than the sum of its proper divisors (2816321140).

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

2253056840 is a wasteful number, since it uses less digits than its factorization.

2253056840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56326432 (or 56326428 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 35.

The square root of 2253056840 is about 47466.3758886225. The cubic root of 2253056840 is about 1310.9638498357.

The spelling of 2253056840 in words is "two billion, two hundred fifty-three million, fifty-six thousand, eight hundred forty".

Divisors: 1 2 4 5 8 10 20 40 56326421 112652842 225305684 281632105 450611368 563264210 1126528420 2253056840