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2442006440 = 23561050161
BaseRepresentation
bin1001000110001110…
…0000111110101000
320022012001210001222
42101203200332220
520000123201230
61042152401212
7114341466206
oct22143407650
96265053058
102442006440
1110434a3645
125819a6208
132cbc05833
14192476076
15e45c26e5
hex918e0fa8

2442006440 has 16 divisors (see below), whose sum is σ = 5494514580. Its totient is φ = 976802560.

The previous prime is 2442006433. The next prime is 2442006443. The reversal of 2442006440 is 446002442.

It can be written as a sum of positive squares in 2 ways, for example, as 2338496164 + 103510276 = 48358^2 + 10174^2 .

It is not an unprimeable number, because it can be changed into a prime (2442006443) 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, 30525041 + ... + 30525120.

Almost surely, 22442006440 is an apocalyptic number.

2442006440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2442006440 is an abundant number, since it is smaller than the sum of its proper divisors (3052508140).

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

2442006440 is a wasteful number, since it uses less digits than its factorization.

2442006440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61050172 (or 61050168 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 26.

The square root of 2442006440 is about 49416.6615626754. The cubic root of 2442006440 is about 1346.6320142158.

Adding to 2442006440 its reverse (446002442), we get a palindrome (2888008882).

The spelling of 2442006440 in words is "two billion, four hundred forty-two million, six thousand, four hundred forty".

Divisors: 1 2 4 5 8 10 20 40 61050161 122100322 244200644 305250805 488401288 610501610 1221003220 2442006440