Search a number
-
+
949005421 = 71310428631
BaseRepresentation
bin111000100100001…
…010110001101101
32110010201110200221
4320210022301231
53420421133141
6234100251341
732342261440
oct7044126155
92403643627
10949005421
11447763901
122259a0b51
131217c4190
1490075657
15584abbd1
hex3890ac6d

949005421 has 8 divisors (see below), whose sum is σ = 1168006784. Its totient is φ = 750861360.

The previous prime is 949005419. The next prime is 949005427. The reversal of 949005421 is 124500949.

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

It is a cyclic number.

It is not a de Polignac number, because 949005421 - 21 = 949005419 is a prime.

It is a super-2 number, since 2×9490054212 = 1801222578174774482, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (949005427) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5214225 + ... + 5214406.

It is an arithmetic number, because the mean of its divisors is an integer number (146000848).

Almost surely, 2949005421 is an apocalyptic number.

949005421 is a gapful number since it is divisible by the number (91) formed by its first and last digit.

It is an amenable number.

949005421 is a deficient number, since it is larger than the sum of its proper divisors (219001363).

949005421 is a wasteful number, since it uses less digits than its factorization.

949005421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10428651.

The product of its (nonzero) digits is 12960, while the sum is 34.

The square root of 949005421 is about 30805.9315879264. The cubic root of 949005421 is about 982.7043935900.

The spelling of 949005421 in words is "nine hundred forty-nine million, five thousand, four hundred twenty-one".

Divisors: 1 7 13 91 10428631 73000417 135572203 949005421