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2233748636 = 22779776737
BaseRepresentation
bin1000010100100100…
…0100110010011100
312202200012012001222
42011021010302130
514033314424021
61005352552512
7106232356460
oct20511046234
95680165058
102233748636
11a46990459
125240b2738
13297a19972
141729444a0
15d11866ab
hex85244c9c

2233748636 has 12 divisors (see below), whose sum is σ = 4467497328. Its totient is φ = 957320832.

The previous prime is 2233748633. The next prime is 2233748641. The reversal of 2233748636 is 6368473322.

It is a happy number.

2233748636 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2233748633) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39888341 + ... + 39888396.

It is an arithmetic number, because the mean of its divisors is an integer number (372291444).

Almost surely, 22233748636 is an apocalyptic number.

It is an amenable number.

2233748636 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

2233748636 is a wasteful number, since it uses less digits than its factorization.

2233748636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79776748 (or 79776746 counting only the distinct ones).

The product of its digits is 870912, while the sum is 44.

The square root of 2233748636 is about 47262.5500370008. The cubic root of 2233748636 is about 1307.2082098902.

The spelling of 2233748636 in words is "two billion, two hundred thirty-three million, seven hundred forty-eight thousand, six hundred thirty-six".

Divisors: 1 2 4 7 14 28 79776737 159553474 319106948 558437159 1116874318 2233748636