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1420054552 = 23725919787
BaseRepresentation
bin101010010100100…
…0101000000011000
310122222002020122001
41110221011000120
510402013221202
6352524410344
750122156510
oct12451050030
93588066561
101420054552
11669647004
123376a69b4
13198280987
14d6852840
1584a06d87
hex54a45018

1420054552 has 32 divisors (see below), whose sum is σ = 3044459520. Its totient is φ = 608297760.

The previous prime is 1420054549. The next prime is 1420054567. The reversal of 1420054552 is 2554500241.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a self number, because there is not a number n which added to its sum of digits gives 1420054552.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 140203 + ... + 149989.

It is an arithmetic number, because the mean of its divisors is an integer number (95139360).

Almost surely, 21420054552 is an apocalyptic number.

It is an amenable number.

1420054552 is an abundant number, since it is smaller than the sum of its proper divisors (1624404968).

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

1420054552 is a wasteful number, since it uses less digits than its factorization.

1420054552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12391 (or 12387 counting only the distinct ones).

The product of its (nonzero) digits is 8000, while the sum is 28.

The square root of 1420054552 is about 37683.6111857662. The cubic root of 1420054552 is about 1124.0052578453.

Adding to 1420054552 its reverse (2554500241), we get a palindrome (3974554793).

The spelling of 1420054552 in words is "one billion, four hundred twenty million, fifty-four thousand, five hundred fifty-two".

Divisors: 1 2 4 7 8 14 28 56 2591 5182 9787 10364 18137 19574 20728 36274 39148 68509 72548 78296 137018 145096 274036 548072 25358117 50716234 101432468 177506819 202864936 355013638 710027276 1420054552