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2148605448 = 233118138657
BaseRepresentation
bin1000000000010001…
…0001111000001000
312112201222110120120
42000010101320020
513400020333243
6553112023240
7104146562553
oct20004217010
95481873516
102148605448
11a02917090
124bb691b20
132831a8592
141654dd69a
15c8968c83
hex80111e08

2148605448 has 32 divisors (see below), whose sum is σ = 5859833760. Its totient is φ = 651092480.

The previous prime is 2148605399. The next prime is 2148605449. The reversal of 2148605448 is 8445068412.

It is not an unprimeable number, because it can be changed into a prime (2148605449) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4069065 + ... + 4069592.

It is an arithmetic number, because the mean of its divisors is an integer number (183119805).

Almost surely, 22148605448 is an apocalyptic number.

It is an amenable number.

2148605448 is an abundant number, since it is smaller than the sum of its proper divisors (3711228312).

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

2148605448 is a wasteful number, since it uses less digits than its factorization.

2148605448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8138677 (or 8138673 counting only the distinct ones).

The product of its (nonzero) digits is 245760, while the sum is 42.

The square root of 2148605448 is about 46353.0521972394. The cubic root of 2148605448 is about 1290.3837665970.

The spelling of 2148605448 in words is "two billion, one hundred forty-eight million, six hundred five thousand, four hundred forty-eight".

Divisors: 1 2 3 4 6 8 11 12 22 24 33 44 66 88 132 264 8138657 16277314 24415971 32554628 48831942 65109256 89525227 97663884 179050454 195327768 268575681 358100908 537151362 716201816 1074302724 2148605448