Search a number
-
+
384420074 = 2265772341
BaseRepresentation
bin10110111010011…
…100100011101010
3222210100120012112
4112322130203222
51241402420244
6102051242322
712345342143
oct2672344352
9883316175
10384420074
11187aa4545
12a88a93a2
1361847ccc
14390aaaca
1523b3739e
hex16e9c8ea

384420074 has 8 divisors (see below), whose sum is σ = 576855108. Its totient is φ = 192135040.

The previous prime is 384420073. The next prime is 384420089. The reversal of 384420074 is 470024483.

It can be written as a sum of positive squares in 2 ways, for example, as 351300049 + 33120025 = 18743^2 + 5755^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 384420074.

It is not an unprimeable number, because it can be changed into a prime (384420073) 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, 30857 + ... + 41484.

Almost surely, 2384420074 is an apocalyptic number.

384420074 is a deficient number, since it is larger than the sum of its proper divisors (192435034).

384420074 is a wasteful number, since it uses less digits than its factorization.

384420074 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75000.

The product of its (nonzero) digits is 21504, while the sum is 32.

The square root of 384420074 is about 19606.6334183102. The cubic root of 384420074 is about 727.1131839871.

The spelling of 384420074 in words is "three hundred eighty-four million, four hundred twenty thousand, seventy-four".

Divisors: 1 2 2657 5314 72341 144682 192210037 384420074