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2054980620 = 22325721159359
BaseRepresentation
bin111101001111100…
…1000010000001100
312022012210211110100
41322133020100030
513202033334440
6535525211100
7101632022100
oct17237102014
95265724410
102054980620
11964a8a3a0
12494260a90
13269987784
14156ccb900
15c0623230
hex7a7c840c

2054980620 has 432 divisors, whose sum is σ = 8066822400. Its totient is φ = 418602240.

The previous prime is 2054980583. The next prime is 2054980637. The reversal of 2054980620 is 260894502.

It is a happy number.

2054980620 is a `hidden beast` number, since 20 + 5 + 4 + 9 + 8 + 0 + 620 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 5724001 + ... + 5724359.

It is an arithmetic number, because the mean of its divisors is an integer number (18673200).

Almost surely, 22054980620 is an apocalyptic number.

2054980620 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 2054980620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4033411200).

2054980620 is an abundant number, since it is smaller than the sum of its proper divisors (6011841780).

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

2054980620 is a wasteful number, since it uses less digits than its factorization.

2054980620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 458 (or 446 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 36.

The square root of 2054980620 is about 45331.8940702901. The cubic root of 2054980620 is about 1271.3620495673.

The spelling of 2054980620 in words is "two billion, fifty-four million, nine hundred eighty thousand, six hundred twenty".