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2053212840 = 2333571012689
BaseRepresentation
bin111101001100001…
…1000101010101000
312022002111000112000
41322120120222220
513201110302330
6535423251000
7101611010160
oct17230305250
95262430460
102053212840
11963a92218
12493749a60
132694b8c53
1415698b5a0
15c03c4560
hex7a618aa8

2053212840 has 256 divisors, whose sum is σ = 7902144000. Its totient is φ = 464486400.

The previous prime is 2053212839. The next prime is 2053212841. The reversal of 2053212840 is 482123502.

2053212840 is a `hidden beast` number, since 2 + 0 + 532 + 128 + 4 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (2053212839) and next prime (2053212841).

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

It is not an unprimeable number, because it can be changed into a prime (2053212841) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 762216 + ... + 764904.

It is an arithmetic number, because the mean of its divisors is an integer number (30867750).

Almost surely, 22053212840 is an apocalyptic number.

2053212840 is a gapful number since it is divisible by the number (20) 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 2053212840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3951072000).

2053212840 is an abundant number, since it is smaller than the sum of its proper divisors (5848931160).

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

2053212840 is a wasteful number, since it uses less digits than its factorization.

2053212840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2817 (or 2807 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

The square root of 2053212840 is about 45312.3916826292. The cubic root of 2053212840 is about 1270.9973854351.

The spelling of 2053212840 in words is "two billion, fifty-three million, two hundred twelve thousand, eight hundred forty".