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2642220608 = 2689463873
BaseRepresentation
bin1001110101111101…
…0001011001000000
320211010210201021112
42131133101121000
520402402024413
61114103542452
7122322335036
oct23537213100
96733721245
102642220608
1111365124a5
12618a5aa28
13331536461
141b0cb2556
15106e702a8
hex9d7d1640

2642220608 has 28 divisors (see below), whose sum is σ = 5302079820. Its totient is φ = 1306263552.

The previous prime is 2642220583. The next prime is 2642220641. The reversal of 2642220608 is 8060222462.

It can be written as a sum of positive squares in 2 ways, for example, as 222367744 + 2419852864 = 14912^2 + 49192^2 .

It is a Harshad number since it is a multiple of its sum of digits (32).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 226241 + ... + 237632.

Almost surely, 22642220608 is an apocalyptic number.

It is an amenable number.

2642220608 is an abundant number, since it is smaller than the sum of its proper divisors (2659859212).

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

2642220608 is an equidigital number, since it uses as much as digits as its factorization.

2642220608 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 463974 (or 463964 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 32.

The square root of 2642220608 is about 51402.5350347626. The cubic root of 2642220608 is about 1382.4720460172.

The spelling of 2642220608 in words is "two billion, six hundred forty-two million, two hundred twenty thousand, six hundred eight".

Divisors: 1 2 4 8 16 32 64 89 178 356 712 1424 2848 5696 463873 927746 1855492 3710984 7421968 14843936 29687872 41284697 82569394 165138788 330277576 660555152 1321110304 2642220608