Search a number
-
+
30477426 = 237725653
BaseRepresentation
bin111010001000…
…0110001110010
32010100102011120
41310100301302
530300234201
63005123110
7520024320
oct164206162
963312146
1030477426
1116227161
12a259496
1364113a5
144094d10
152a20536
hex1d10c72

30477426 has 16 divisors (see below), whose sum is σ = 69662784. Its totient is φ = 8707824.

The previous prime is 30477409. The next prime is 30477437. The reversal of 30477426 is 62477403.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 362785 + ... + 362868.

It is an arithmetic number, because the mean of its divisors is an integer number (4353924).

Almost surely, 230477426 is an apocalyptic number.

30477426 is an abundant number, since it is smaller than the sum of its proper divisors (39185358).

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

30477426 is a wasteful number, since it uses less digits than its factorization.

30477426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 725665.

The product of its (nonzero) digits is 28224, while the sum is 33.

The square root of 30477426 is about 5520.6363763610. The cubic root of 30477426 is about 312.3628872624.

It can be divided in two parts, 30477 and 426, that added together give a palindrome (30903).

The spelling of 30477426 in words is "thirty million, four hundred seventy-seven thousand, four hundred twenty-six".

Divisors: 1 2 3 6 7 14 21 42 725653 1451306 2176959 4353918 5079571 10159142 15238713 30477426