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4122505240 = 2357219313571
BaseRepresentation
bin1111010110111000…
…0111000000011000
3101122022012222001021
43311232013000120
531420330131430
61521023332224
7204105500500
oct36556070030
911568188037
104122505240
111826057227
12970751074
13509114a19
142b1722a00
15191dc307a
hexf5b87018

4122505240 has 192 divisors, whose sum is σ = 11727590400. Its totient is φ = 1295481600.

The previous prime is 4122505213. The next prime is 4122505249. The reversal of 4122505240 is 425052214.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4122505249) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1152655 + ... + 1156225.

It is an arithmetic number, because the mean of its divisors is an integer number (61081200).

Almost surely, 24122505240 is an apocalyptic number.

4122505240 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4122505240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5863795200).

4122505240 is an abundant number, since it is smaller than the sum of its proper divisors (7605085160).

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

4122505240 is a wasteful number, since it uses less digits than its factorization.

4122505240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3646 (or 3635 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 25.

The square root of 4122505240 is about 64206.7382756670. The cubic root of 4122505240 is about 1603.4437855203.

Adding to 4122505240 its reverse (425052214), we get a palindrome (4547557454).

The spelling of 4122505240 in words is "four billion, one hundred twenty-two million, five hundred five thousand, two hundred forty".