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4381392 = 243372467
BaseRepresentation
bin10000101101101011010000
322020121010210
4100231223100
52110201032
6233524120
752145511
oct20555320
98217123
104381392
112522894
121573640
13ba5352
14820a08
155b82cc
hex42dad0

4381392 has 40 divisors (see below), whose sum is σ = 11629216. Its totient is φ = 1420416.

The previous prime is 4381379. The next prime is 4381409. The reversal of 4381392 is 2931834.

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, 543 + ... + 3009.

Almost surely, 24381392 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 4381392, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5814608).

4381392 is an abundant number, since it is smaller than the sum of its proper divisors (7247824).

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

4381392 is a wasteful number, since it uses less digits than its factorization.

4381392 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2515 (or 2509 counting only the distinct ones).

The product of its digits is 5184, while the sum is 30.

The square root of 4381392 is about 2093.1774888910. The cubic root of 4381392 is about 163.6329287719.

It can be divided in two parts, 438 and 1392, that added together give a triangular number (1830 = T60).

The spelling of 4381392 in words is "four million, three hundred eighty-one thousand, three hundred ninety-two".

Divisors: 1 2 3 4 6 8 12 16 24 37 48 74 111 148 222 296 444 592 888 1776 2467 4934 7401 9868 14802 19736 29604 39472 59208 91279 118416 182558 273837 365116 547674 730232 1095348 1460464 2190696 4381392