Search a number
-
+
8030442 = 237263727
BaseRepresentation
bin11110101000100011101010
3120002222200210
4132220203222
54023433232
6444041550
7125154240
oct36504352
916088623
108030442
114595432
1228332b6
131882254
1410d0790
15a895cc
hex7a88ea

8030442 has 32 divisors (see below), whose sum is σ = 18450432. Its totient is φ = 2282544.

The previous prime is 8030441. The next prime is 8030461. The reversal of 8030442 is 2440308.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8030441) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10683 + ... + 11409.

It is an arithmetic number, because the mean of its divisors is an integer number (576576).

Almost surely, 28030442 is an apocalyptic number.

8030442 is an abundant number, since it is smaller than the sum of its proper divisors (10419990).

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

8030442 is a wasteful number, since it uses less digits than its factorization.

8030442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1002.

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 8030442 is about 2833.8034511942. The cubic root of 8030442 is about 200.2533622357.

The spelling of 8030442 in words is "eight million, thirty thousand, four hundred forty-two".

Divisors: 1 2 3 6 7 14 21 42 263 526 727 789 1454 1578 1841 2181 3682 4362 5089 5523 10178 11046 15267 30534 191201 382402 573603 1147206 1338407 2676814 4015221 8030442