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2228081456 = 24139255091
BaseRepresentation
bin1000010011001101…
…1101001100110000
312202021112021011102
42010303131030300
514030342101311
61005031303532
7106133244206
oct20463351460
95667467142
102228081456
11a4376a637
1252221aba8
132967b42c3
14171cab076
15d091743b
hex84cdd330

2228081456 has 10 divisors (see below), whose sum is σ = 4316907852. Its totient is φ = 1114040720.

The previous prime is 2228081419. The next prime is 2228081501. The reversal of 2228081456 is 6541808222.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 69627530 + ... + 69627561.

Almost surely, 22228081456 is an apocalyptic number.

It is an amenable number.

2228081456 is a deficient number, since it is larger than the sum of its proper divisors (2088826396).

2228081456 is a wasteful number, since it uses less digits than its factorization.

2228081456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139255099 (or 139255093 counting only the distinct ones).

The product of its (nonzero) digits is 61440, while the sum is 38.

The square root of 2228081456 is about 47202.5577273097. The cubic root of 2228081456 is about 1306.1017801007.

Adding to 2228081456 its reverse (6541808222), we get a palindrome (8769889678).

The spelling of 2228081456 in words is "two billion, two hundred twenty-eight million, eighty-one thousand, four hundred fifty-six".

Divisors: 1 2 4 8 16 139255091 278510182 557020364 1114040728 2228081456