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2028155392 = 296759123
BaseRepresentation
bin111100011100011…
…0011001000000000
312020100022222011101
41320320303020000
513123201433032
6533130224144
7101155015324
oct17070631000
95210288141
102028155392
1195092818a
12487285054
13264254863
14153507984
15bd0c4de7
hex78e33200

2028155392 has 40 divisors (see below), whose sum is σ = 4112901936. Its totient is φ = 998925312.

The previous prime is 2028155351. The next prime is 2028155401. The reversal of 2028155392 is 2935518202.

It is a super-2 number, since 2×20281553922 = 8226828588197347328, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4743 + ... + 63865.

Almost surely, 22028155392 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2028155392, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2056450968).

2028155392 is an abundant number, since it is smaller than the sum of its proper divisors (2084746544).

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

2028155392 is an frugal number, since it uses more digits than its factorization.

2028155392 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59208 (or 59192 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 37.

The square root of 2028155392 is about 45035.0462639931. The cubic root of 2028155392 is about 1265.8057830275.

The spelling of 2028155392 in words is "two billion, twenty-eight million, one hundred fifty-five thousand, three hundred ninety-two".

Divisors: 1 2 4 8 16 32 64 67 128 134 256 268 512 536 1072 2144 4288 8576 17152 34304 59123 118246 236492 472984 945968 1891936 3783872 3961241 7567744 7922482 15135488 15844964 30270976 31689928 63379856 126759712 253519424 507038848 1014077696 2028155392