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2195441948 = 2271731148783
BaseRepresentation
bin1000001011011011…
…1100100100011100
312200000010000011202
42002312330210130
513444013120243
61001503535032
7105255643250
oct20266744434
95600100152
102195441948
11a272a7037
125132ba478
1328cac6a9b
1416b812260
15ccb1b4b8
hex82dbc91c

2195441948 has 48 divisors (see below), whose sum is σ = 4799176704. Its totient is φ = 856984320.

The previous prime is 2195441933. The next prime is 2195441951. The reversal of 2195441948 is 8491445912.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 59636 + ... + 89147.

It is an arithmetic number, because the mean of its divisors is an integer number (99982848).

Almost surely, 22195441948 is an apocalyptic number.

2195441948 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

2195441948 is an abundant number, since it is smaller than the sum of its proper divisors (2603734756).

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

2195441948 is a wasteful number, since it uses less digits than its factorization.

2195441948 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148842 (or 148840 counting only the distinct ones).

The product of its digits is 414720, while the sum is 47.

The square root of 2195441948 is about 46855.5434073707. The cubic root of 2195441948 is about 1299.6926192398.

The spelling of 2195441948 in words is "two billion, one hundred ninety-five million, four hundred forty-one thousand, nine hundred forty-eight".

Divisors: 1 2 4 7 14 17 28 31 34 62 68 119 124 217 238 434 476 527 868 1054 2108 3689 7378 14756 148783 297566 595132 1041481 2082962 2529311 4165924 4612273 5058622 9224546 10117244 17705177 18449092 32285911 35410354 64571822 70820708 78408641 129143644 156817282 313634564 548860487 1097720974 2195441948