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384367420 = 22519218371
BaseRepresentation
bin10110111010001…
…111101100111100
3222210020212222101
4112322033230330
51241344224140
6102050154444
712345032503
oct2672175474
9883225871
10384367420
11187a68a28
12a8882a24
136182a058
143909583a
1523b2699a
hex16e8fb3c

384367420 has 12 divisors (see below), whose sum is σ = 807171624. Its totient is φ = 153746960.

The previous prime is 384367393. The next prime is 384367429. The reversal of 384367420 is 24763483.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 384367420.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (384367429) 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, 9609166 + ... + 9609205.

It is an arithmetic number, because the mean of its divisors is an integer number (67264302).

Almost surely, 2384367420 is an apocalyptic number.

It is an amenable number.

384367420 is an abundant number, since it is smaller than the sum of its proper divisors (422804204).

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

384367420 is a wasteful number, since it uses less digits than its factorization.

384367420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19218380 (or 19218378 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 37.

The square root of 384367420 is about 19605.2906124852. The cubic root of 384367420 is about 727.0799849181.

The spelling of 384367420 in words is "three hundred eighty-four million, three hundred sixty-seven thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 19218371 38436742 76873484 96091855 192183710 384367420