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2152313244 = 223272538243
BaseRepresentation
bin1000000001001001…
…1011000110011100
312112222221211201100
42000102123012130
513401443010434
6553323313100
7104223234504
oct20022330634
95488854640
102152313244
11a04a19884
1250097b790
13283ba6143
14165bc6a04
15c8e4c699
hex8049b19c

2152313244 has 36 divisors (see below), whose sum is σ = 5441979816. Its totient is φ = 717251808.

The previous prime is 2152313231. The next prime is 2152313287. The reversal of 2152313244 is 4423132512.

2152313244 is a `hidden beast` number, since 2 + 1 + 523 + 132 + 4 + 4 = 666.

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

It is a congruent number.

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, 256987 + ... + 265229.

It is an arithmetic number, because the mean of its divisors is an integer number (151166106).

Almost surely, 22152313244 is an apocalyptic number.

It is an amenable number.

2152313244 is an abundant number, since it is smaller than the sum of its proper divisors (3289666572).

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

2152313244 is a wasteful number, since it uses less digits than its factorization.

2152313244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15506 (or 15501 counting only the distinct ones).

The product of its digits is 5760, while the sum is 27.

The square root of 2152313244 is about 46393.0301230691. The cubic root of 2152313244 is about 1291.1256012996.

Adding to 2152313244 its reverse (4423132512), we get a palindrome (6575445756).

The spelling of 2152313244 in words is "two billion, one hundred fifty-two million, three hundred thirteen thousand, two hundred forty-four".

Divisors: 1 2 3 4 6 9 12 18 36 7253 8243 14506 16486 21759 24729 29012 32972 43518 49458 65277 74187 87036 98916 130554 148374 261108 296748 59786479 119572958 179359437 239145916 358718874 538078311 717437748 1076156622 2152313244