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378628448 = 25111075649
BaseRepresentation
bin10110100100010…
…110100101100000
3222101110022120212
4112210112211200
51233412102243
6101323153252
712245201012
oct2644264540
9871408525
10378628448
111847a9180
12a6975828
136059ab03
14384001b2
1523391318
hex16916960

378628448 has 24 divisors (see below), whose sum is σ = 813191400. Its totient is φ = 172103680.

The previous prime is 378628441. The next prime is 378628469. The reversal of 378628448 is 844826873.

It is a junction number, because it is equal to n+sod(n) for n = 378628396 and 378628405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (378628441) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 537473 + ... + 538176.

It is an arithmetic number, because the mean of its divisors is an integer number (33882975).

Almost surely, 2378628448 is an apocalyptic number.

It is an amenable number.

378628448 is an abundant number, since it is smaller than the sum of its proper divisors (434562952).

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

378628448 is a wasteful number, since it uses less digits than its factorization.

378628448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1075670 (or 1075662 counting only the distinct ones).

The product of its digits is 2064384, while the sum is 50.

The square root of 378628448 is about 19458.3773218632. The cubic root of 378628448 is about 723.4431582106.

It can be divided in two parts, 378 and 628448, that added together give a palindrome (628826).

The spelling of 378628448 in words is "three hundred seventy-eight million, six hundred twenty-eight thousand, four hundred forty-eight".

Divisors: 1 2 4 8 11 16 22 32 44 88 176 352 1075649 2151298 4302596 8605192 11832139 17210384 23664278 34420768 47328556 94657112 189314224 378628448