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2750407420 = 2253118712371
BaseRepresentation
bin1010001111101111…
…1110001011111100
321002200101011200111
42203323332023330
521113101014140
61132530435404
7125105035345
oct24373761374
97080334614
102750407420
111191595892
12649132b64
1334aa85417
141c13d50cc
151116e07ea
hexa3efe2fc

2750407420 has 48 divisors (see below), whose sum is σ = 5967876096. Its totient is φ = 1063656000.

The previous prime is 2750407417. The next prime is 2750407463. The reversal of 2750407420 is 247040572.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1158835 + ... + 1161205.

It is an arithmetic number, because the mean of its divisors is an integer number (124330752).

Almost surely, 22750407420 is an apocalyptic number.

2750407420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2750407420 is an abundant number, since it is smaller than the sum of its proper divisors (3217468676).

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

2750407420 is a wasteful number, since it uses less digits than its factorization.

2750407420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4282 (or 4280 counting only the distinct ones).

The product of its (nonzero) digits is 15680, while the sum is 31.

The square root of 2750407420 is about 52444.3268619209. The cubic root of 2750407420 is about 1401.0888502060.

Adding to 2750407420 its reverse (247040572), we get a palindrome (2997447992).

The spelling of 2750407420 in words is "two billion, seven hundred fifty million, four hundred seven thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 31 62 124 155 310 620 1871 2371 3742 4742 7484 9355 9484 11855 18710 23710 37420 47420 58001 73501 116002 147002 232004 290005 294004 367505 580010 735010 1160020 1470020 4436141 8872282 17744564 22180705 44361410 88722820 137520371 275040742 550081484 687601855 1375203710 2750407420