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2027779252 = 22724369991
BaseRepresentation
bin111100011011101…
…0111010010110100
312020022121212012021
41320313113102310
513123102414002
6533114202524
7101151560602
oct17067272264
95208555167
102027779252
119506a0624
12487123444
132641525a5
1415344a872
15bd04d737
hex78dd74b4

2027779252 has 12 divisors (see below), whose sum is σ = 3549154336. Its totient is φ = 1013735160.

The previous prime is 2027779249. The next prime is 2027779253. The reversal of 2027779252 is 2529777202.

It is a super-2 number, since 2×20277792522 = 8223777389683359008, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2027779199 and 2027779208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2027779253) 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, 6024 + ... + 63967.

Almost surely, 22027779252 is an apocalyptic number.

It is an amenable number.

2027779252 is a deficient number, since it is larger than the sum of its proper divisors (1521375084).

2027779252 is a wasteful number, since it uses less digits than its factorization.

2027779252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77238 (or 77236 counting only the distinct ones).

The product of its (nonzero) digits is 246960, while the sum is 43.

The square root of 2027779252 is about 45030.8699893751. The cubic root of 2027779252 is about 1265.7275264294.

The spelling of 2027779252 in words is "two billion, twenty-seven million, seven hundred seventy-nine thousand, two hundred fifty-two".

Divisors: 1 2 4 7243 14486 28972 69991 139982 279964 506944813 1013889626 2027779252