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1420450752 = 263731103331
BaseRepresentation
bin101010010101010…
…0101101111000000
310122222211101010010
41110222211233000
510402113411002
6352541104520
750125426560
oct12452455700
93588741103
101420450752
11669897746
12337858140
1319838c106
14d6916da0
1584a8446c
hex54aa5bc0

1420450752 has 224 divisors, whose sum is σ = 4490297344. Its totient is φ = 387763200.

The previous prime is 1420450751. The next prime is 1420450763. The reversal of 1420450752 is 2570540241.

It is a tau number, because it is divible by the number of its divisors (224).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1420450751) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4291227 + ... + 4291557.

Almost surely, 21420450752 is an apocalyptic number.

1420450752 is a gapful number since it is divisible by the number (12) 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 1420450752, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2245148672).

1420450752 is an abundant number, since it is smaller than the sum of its proper divisors (3069846592).

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

1420450752 is a wasteful number, since it uses less digits than its factorization.

1420450752 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 487 (or 477 counting only the distinct ones).

The product of its (nonzero) digits is 11200, while the sum is 30.

The square root of 1420450752 is about 37688.8677463253. The cubic root of 1420450752 is about 1124.1097818752.

Adding to 1420450752 its reverse (2570540241), we get a palindrome (3990990993).

The spelling of 1420450752 in words is "one billion, four hundred twenty million, four hundred fifty thousand, seven hundred fifty-two".