Search a number
-
+
30451422 = 235075237
BaseRepresentation
bin111010000101…
…0011011011110
32010022002111110
41310022123132
530243421142
63004402450
7516555441
oct164123336
963262443
1030451422
1116209671
12a246426
1364025c1
144089658
152a1799c
hex1d0a6de

30451422 has 8 divisors (see below), whose sum is σ = 60902856. Its totient is φ = 10150472.

The previous prime is 30451411. The next prime is 30451423. The reversal of 30451422 is 22415403.

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

30451422 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30451423) 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, 2537613 + ... + 2537624.

It is an arithmetic number, because the mean of its divisors is an integer number (7612857).

Almost surely, 230451422 is an apocalyptic number.

30451422 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

30451422 is a wasteful number, since it uses less digits than its factorization.

30451422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5075242.

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 30451422 is about 5518.2807105112. The cubic root of 30451422 is about 312.2740237238.

Adding to 30451422 its reverse (22415403), we get a palindrome (52866825).

The spelling of 30451422 in words is "thirty million, four hundred fifty-one thousand, four hundred twenty-two".

Divisors: 1 2 3 6 5075237 10150474 15225711 30451422