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2048749440 = 27351067057
BaseRepresentation
bin111101000011101…
…0110111110000000
312021210002020212220
41322013112332000
513143434440230
6535143451040
7101525040303
oct17207267600
95253066786
102048749440
11961513861
12492156a80
132685b549a
14156148b3a
15bece1d10
hex7a1d6f80

2048749440 has 64 divisors (see below), whose sum is σ = 6530394960. Its totient is φ = 546332672.

The previous prime is 2048749433. The next prime is 2048749447. The reversal of 2048749440 is 449478402.

It is a happy number.

2048749440 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (2048749433) and next prime (2048749447).

It is a tau number, because it is divible by the number of its divisors (64).

It is a junction number, because it is equal to n+sod(n) for n = 2048749392 and 2048749401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2048749447) 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, 531609 + ... + 535448.

Almost surely, 22048749440 is an apocalyptic number.

2048749440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2048749440 is an abundant number, since it is smaller than the sum of its proper divisors (4481645520).

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

2048749440 is a wasteful number, since it uses less digits than its factorization.

2048749440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1067079 (or 1067067 counting only the distinct ones).

The product of its (nonzero) digits is 258048, while the sum is 42.

The square root of 2048749440 is about 45263.1134589745. The cubic root of 2048749440 is about 1270.0757265693.

The spelling of 2048749440 in words is "two billion, forty-eight million, seven hundred forty-nine thousand, four hundred forty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 30 32 40 48 60 64 80 96 120 128 160 192 240 320 384 480 640 960 1920 1067057 2134114 3201171 4268228 5335285 6402342 8536456 10670570 12804684 16005855 17072912 21341140 25609368 32011710 34145824 42682280 51218736 64023420 68291648 85364560 102437472 128046840 136583296 170729120 204874944 256093680 341458240 409749888 512187360 682916480 1024374720 2048749440