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2054567380 = 225479321433
BaseRepresentation
bin111101001110110…
…0011010111010100
312022012000211121011
41322131203113110
513201432124010
6535512302004
7101625351235
oct17235432724
95265024534
102054567380
11964827978
124940a1904
13269871658
14156c2108c
15c0590a8a
hex7a7635d4

2054567380 has 24 divisors (see below), whose sum is σ = 4315693032. Its totient is φ = 821617152.

The previous prime is 2054567371. The next prime is 2054567387. The reversal of 2054567380 is 837654502.

It can be written as a sum of positive squares in 4 ways, for example, as 149768644 + 1904798736 = 12238^2 + 43644^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2054567387) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 85144 + ... + 106576.

It is an arithmetic number, because the mean of its divisors is an integer number (179820543).

Almost surely, 22054567380 is an apocalyptic number.

2054567380 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2054567380 is an abundant number, since it is smaller than the sum of its proper divisors (2261125652).

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

2054567380 is a wasteful number, since it uses less digits than its factorization.

2054567380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26235 (or 26233 counting only the distinct ones).

The product of its (nonzero) digits is 201600, while the sum is 40.

The square root of 2054567380 is about 45327.3359023007. The cubic root of 2054567380 is about 1271.2768236421.

The spelling of 2054567380 in words is "two billion, fifty-four million, five hundred sixty-seven thousand, three hundred eighty".

Divisors: 1 2 4 5 10 20 4793 9586 19172 21433 23965 42866 47930 85732 95860 107165 214330 428660 102728369 205456738 410913476 513641845 1027283690 2054567380