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2023919620 = 225104996469
BaseRepresentation
bin111100010100010…
…1001000000000100
312020001100202202221
41320220221000010
513121110411440
6532455342124
7101104014202
oct17050510004
95201322687
102023919620
119494a4848
12485981944
13263400898
14152b24072
15bca39d4a
hex78a29004

2023919620 has 24 divisors (see below), whose sum is σ = 4254327000. Its totient is φ = 808787712.

The previous prime is 2023919617. The next prime is 2023919621. The reversal of 2023919620 is 269193202.

It can be written as a sum of positive squares in 4 ways, for example, as 311946244 + 1711973376 = 17662^2 + 41376^2 .

It is not an unprimeable number, because it can be changed into a prime (2023919621) 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, 27255 + ... + 69214.

It is an arithmetic number, because the mean of its divisors is an integer number (177263625).

Almost surely, 22023919620 is an apocalyptic number.

2023919620 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2023919620 is an abundant number, since it is smaller than the sum of its proper divisors (2230407380).

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

2023919620 is a wasteful number, since it uses less digits than its factorization.

2023919620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97527 (or 97525 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 34.

The square root of 2023919620 is about 44987.9941762244. The cubic root of 2023919620 is about 1264.9239634134.

The spelling of 2023919620 in words is "two billion, twenty-three million, nine hundred nineteen thousand, six hundred twenty".

Divisors: 1 2 4 5 10 20 1049 2098 4196 5245 10490 20980 96469 192938 385876 482345 964690 1929380 101195981 202391962 404783924 505979905 1011959810 2023919620