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7164420 = 2235971231
BaseRepresentation
bin11011010101001000000100
3111110222201220
4123111020010
53313230140
6413320340
7114616344
oct33251004
914428656
107164420
11405380a
1224960b0
13163b003
14d46d24
15967bd0
hex6d5204

7164420 has 48 divisors (see below), whose sum is σ = 20283648. Its totient is φ = 1889280.

The previous prime is 7164413. The next prime is 7164433. The reversal of 7164420 is 244617.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5205 + ... + 6435.

It is an arithmetic number, because the mean of its divisors is an integer number (422576).

Almost surely, 27164420 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7164420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10141824).

7164420 is an abundant number, since it is smaller than the sum of its proper divisors (13119228).

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

7164420 is a wasteful number, since it uses less digits than its factorization.

7164420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1340 (or 1338 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 24.

The square root of 7164420 is about 2676.6434204055. The cubic root of 7164420 is about 192.7792764236.

The spelling of 7164420 in words is "seven million, one hundred sixty-four thousand, four hundred twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 97 194 291 388 485 582 970 1164 1231 1455 1940 2462 2910 3693 4924 5820 6155 7386 12310 14772 18465 24620 36930 73860 119407 238814 358221 477628 597035 716442 1194070 1432884 1791105 2388140 3582210 7164420