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384424434 = 23317418763
BaseRepresentation
bin10110111010011…
…101100111110010
3222210100210012000
4112322131213302
51241403040214
6102051314430
712345360642
oct2672354762
9883323160
10384424434
11187aa7849
12a88aba16
1361849ca4
14390ac522
1523b38809
hex16e9d9f2

384424434 has 32 divisors (see below), whose sum is σ = 904530240. Its totient is φ = 120603456.

The previous prime is 384424399. The next prime is 384424441. The reversal of 384424434 is 434424483.

384424434 is a `hidden beast` number, since 384 + 4 + 244 + 34 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 208464 + ... + 210299.

It is an arithmetic number, because the mean of its divisors is an integer number (28266570).

Almost surely, 2384424434 is an apocalyptic number.

384424434 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

384424434 is an abundant number, since it is smaller than the sum of its proper divisors (520105806).

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

384424434 is a wasteful number, since it uses less digits than its factorization.

384424434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 418791 (or 418785 counting only the distinct ones).

The product of its digits is 147456, while the sum is 36.

The square root of 384424434 is about 19606.7446048547. The cubic root of 384424434 is about 727.1159328910.

The spelling of 384424434 in words is "three hundred eighty-four million, four hundred twenty-four thousand, four hundred thirty-four".

Divisors: 1 2 3 6 9 17 18 27 34 51 54 102 153 306 459 918 418763 837526 1256289 2512578 3768867 7118971 7537734 11306601 14237942 21356913 22613202 42713826 64070739 128141478 192212217 384424434