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2141240454 = 233192109841
BaseRepresentation
bin111111110100000…
…1011110010000110
312112020010021201000
41333220023302012
513341124143304
6552250114130
7104030146353
oct17750136206
95466107630
102141240454
119a9746711
124b911b946
132817ca1b2
1416454362a
15c7eb1939
hex7fa0bc86

2141240454 has 48 divisors (see below), whose sum is σ = 5021976240. Its totient is φ = 676175040.

The previous prime is 2141240441. The next prime is 2141240459. The reversal of 2141240454 is 4540421412.

It is a super-2 number, since 2×21412404542 = 9169821363692252232, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2141240459) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 35427 + ... + 74414.

It is an arithmetic number, because the mean of its divisors is an integer number (104624505).

Almost surely, 22141240454 is an apocalyptic number.

2141240454 is an abundant number, since it is smaller than the sum of its proper divisors (2880735786).

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

2141240454 is a wasteful number, since it uses less digits than its factorization.

2141240454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109890 (or 109865 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 27.

The square root of 2141240454 is about 46273.5394583125. The cubic root of 2141240454 is about 1288.9076853971.

Adding to 2141240454 its reverse (4540421412), we get a palindrome (6681661866).

The spelling of 2141240454 in words is "two billion, one hundred forty-one million, two hundred forty thousand, four hundred fifty-four".

Divisors: 1 2 3 6 9 18 19 27 38 54 57 114 171 342 361 513 722 1026 1083 2166 3249 6498 9747 19494 109841 219682 329523 659046 988569 1977138 2086979 2965707 4173958 5931414 6260937 12521874 18782811 37565622 39652601 56348433 79305202 112696866 118957803 237915606 356873409 713746818 1070620227 2141240454