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2152884940 = 2251071006021
BaseRepresentation
bin1000000001010010…
…0110101011001100
312120001000212221021
42000110212223030
513402114304230
6553343443524
7104231135323
oct20024465314
95501025837
102152884940
11a0527a358
12500bb65a4
1328404641b
14165cd50ba
15c9011c7a
hex80526acc

2152884940 has 24 divisors (see below), whose sum is σ = 4563315792. Its totient is φ = 853104960.

The previous prime is 2152884917. The next prime is 2152884971. The reversal of 2152884940 is 494882512.

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, 500871 + ... + 505150.

It is an arithmetic number, because the mean of its divisors is an integer number (190138158).

Almost surely, 22152884940 is an apocalyptic number.

2152884940 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2152884940 is an abundant number, since it is smaller than the sum of its proper divisors (2410430852).

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

2152884940 is a wasteful number, since it uses less digits than its factorization.

2152884940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1006137 (or 1006135 counting only the distinct ones).

The product of its (nonzero) digits is 184320, while the sum is 43.

The square root of 2152884940 is about 46399.1911567432. The cubic root of 2152884940 is about 1291.2399071516.

The spelling of 2152884940 in words is "two billion, one hundred fifty-two million, eight hundred eighty-four thousand, nine hundred forty".

Divisors: 1 2 4 5 10 20 107 214 428 535 1070 2140 1006021 2012042 4024084 5030105 10060210 20120420 107644247 215288494 430576988 538221235 1076442470 2152884940