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380478740 = 225131914423
BaseRepresentation
bin10110101011011…
…010010100010100
3222111221022201012
4112223122110110
51234400304430
6101430551352
712300005315
oct2653322424
9874838635
10380478740
11185852344
12a7508558
1360a98065
143876260c
1523609695
hex16ada514

380478740 has 24 divisors (see below), whose sum is σ = 799666560. Its totient is φ = 152065568.

The previous prime is 380478737. The next prime is 380478823. The reversal of 380478740 is 47874083.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19169 + ... + 33591.

It is an arithmetic number, because the mean of its divisors is an integer number (33319440).

Almost surely, 2380478740 is an apocalyptic number.

It is an amenable number.

380478740 is an abundant number, since it is smaller than the sum of its proper divisors (419187820).

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

380478740 is a wasteful number, since it uses less digits than its factorization.

380478740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15751 (or 15749 counting only the distinct ones).

The product of its (nonzero) digits is 150528, while the sum is 41.

The square root of 380478740 is about 19505.8642464260. The cubic root of 380478740 is about 724.6196911450.

The spelling of 380478740 in words is "three hundred eighty million, four hundred seventy-eight thousand, seven hundred forty".

Divisors: 1 2 4 5 10 20 1319 2638 5276 6595 13190 14423 26380 28846 57692 72115 144230 288460 19023937 38047874 76095748 95119685 190239370 380478740