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722486052 = 2232160912473
BaseRepresentation
bin101011000100000…
…100001100100100
31212100111002112200
4223010010030210
52434424023202
6155405214500
723622013221
oct5304041444
91770432480
10722486052
11340908512
12181b61430
13b68b3252
146bd4c948
1543664e1c
hex2b104324

722486052 has 36 divisors (see below), whose sum is σ = 1827565740. Its totient is φ = 240659712.

The previous prime is 722486041. The next prime is 722486071. The reversal of 722486052 is 250684227.

722486052 is a `hidden beast` number, since 7 + 2 + 2 + 48 + 605 + 2 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 630210816 + 92275236 = 25104^2 + 9606^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 722485998 and 722486016.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 51688 + ... + 64160.

It is an arithmetic number, because the mean of its divisors is an integer number (50765715).

Almost surely, 2722486052 is an apocalyptic number.

It is an amenable number.

722486052 is an abundant number, since it is smaller than the sum of its proper divisors (1105079688).

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

722486052 is a wasteful number, since it uses less digits than its factorization.

722486052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14092 (or 14087 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 36.

The square root of 722486052 is about 26879.1006545978. The cubic root of 722486052 is about 897.3113388516.

The spelling of 722486052 in words is "seven hundred twenty-two million, four hundred eighty-six thousand, fifty-two".

Divisors: 1 2 3 4 6 9 12 18 36 1609 3218 4827 6436 9654 12473 14481 19308 24946 28962 37419 49892 57924 74838 112257 149676 224514 449028 20069057 40138114 60207171 80276228 120414342 180621513 240828684 361243026 722486052