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3778544052 = 223623531063
BaseRepresentation
bin1110000100111000…
…0000000110110100
3100202022222221000000
43201032000012310
530214301402202
61422535151300
7162431044263
oct34116000664
910668887000
103778544052
111669987088
12895515530
13482a943aa
1427bb885da
15171acd91c
hexe13801b4

3778544052 has 168 divisors, whose sum is σ = 10550300544. Its totient is φ = 1180910016.

The previous prime is 3778544017. The next prime is 3778544069. The reversal of 3778544052 is 2504458773.

3778544052 is a `hidden beast` number, since 37 + 78 + 544 + 0 + 5 + 2 = 666.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 3778543989 and 3778544007.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 3554073 + ... + 3555135.

It is an arithmetic number, because the mean of its divisors is an integer number (62799408).

Almost surely, 23778544052 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3778544052, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5275150272).

3778544052 is an abundant number, since it is smaller than the sum of its proper divisors (6771756492).

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

3778544052 is a wasteful number, since it uses less digits than its factorization.

3778544052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1161 (or 1144 counting only the distinct ones).

The product of its (nonzero) digits is 940800, while the sum is 45.

The square root of 3778544052 is about 61469.8629573875. The cubic root of 3778544052 is about 1557.5482048346.

The spelling of 3778544052 in words is "three billion, seven hundred seventy-eight million, five hundred forty-four thousand, fifty-two".