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2450121420 = 223540835357
BaseRepresentation
bin1001001000001001…
…1110001011001100
320022202100001201210
42102002132023030
520004212341140
61043042334420
7114500455065
oct22202361314
96282301653
102450121420
11104803653a
1258465a410
133007b73b6
1419358956c
15e5176d80
hex9209e2cc

2450121420 has 24 divisors (see below), whose sum is σ = 6860340144. Its totient is φ = 653365696.

The previous prime is 2450121371. The next prime is 2450121431. The reversal of 2450121420 is 241210542.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20417619 + ... + 20417738.

It is an arithmetic number, because the mean of its divisors is an integer number (285847506).

Almost surely, 22450121420 is an apocalyptic number.

2450121420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2450121420 is an abundant number, since it is smaller than the sum of its proper divisors (4410218724).

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

2450121420 is a wasteful number, since it uses less digits than its factorization.

2450121420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40835369 (or 40835367 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 21.

The square root of 2450121420 is about 49498.7011950819. The cubic root of 2450121420 is about 1348.1220197611.

Adding to 2450121420 its reverse (241210542), we get a palindrome (2691331962).

The spelling of 2450121420 in words is "two billion, four hundred fifty million, one hundred twenty-one thousand, four hundred twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 40835357 81670714 122506071 163341428 204176785 245012142 408353570 490024284 612530355 816707140 1225060710 2450121420