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2025454220 = 225671511533
BaseRepresentation
bin111100010111001…
…1111101010001100
312020011020201211222
41320232133222030
513122004013340
6532552302512
7101123035226
oct17056375214
95204221758
102025454220
1194a352809
124863a1a38
1326381a22a
14153003416
15bcc3e8b5
hex78b9fa8c

2025454220 has 24 divisors (see below), whose sum is σ = 4316941104. Its totient is φ = 798088896.

The previous prime is 2025454213. The next prime is 2025454351. The reversal of 2025454220 is 224545202.

It is a self number, because there is not a number n which added to its sum of digits gives 2025454220.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 754427 + ... + 757106.

It is an arithmetic number, because the mean of its divisors is an integer number (179872546).

Almost surely, 22025454220 is an apocalyptic number.

2025454220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2025454220 is an abundant number, since it is smaller than the sum of its proper divisors (2291486884).

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

2025454220 is a wasteful number, since it uses less digits than its factorization.

2025454220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1511609 (or 1511607 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 26.

The square root of 2025454220 is about 45005.0466059085. The cubic root of 2025454220 is about 1265.2435844575.

Adding to 2025454220 its reverse (224545202), we get a palindrome (2249999422).

The spelling of 2025454220 in words is "two billion, twenty-five million, four hundred fifty-four thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 67 134 268 335 670 1340 1511533 3023066 6046132 7557665 15115330 30230660 101272711 202545422 405090844 506363555 1012727110 2025454220