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2272136080 = 24529979369
BaseRepresentation
bin1000011101101110…
…0000101110010000
312212100102110202011
42013123200232100
514123131323310
61013243432304
7110206560304
oct20733405620
95770373664
102272136080
11a6661a515
12534b25694
132a296a526
14177a97d04
15d471a78a
hex876e0b90

2272136080 has 40 divisors (see below), whose sum is σ = 5464884600. Its totient is φ = 877513728.

The previous prime is 2272136057. The next prime is 2272136089. The reversal of 2272136080 is 806312722.

It can be written as a sum of positive squares in 4 ways, for example, as 12845056 + 2259291024 = 3584^2 + 47532^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is not an unprimeable number, because it can be changed into a prime (2272136089) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 487365 + ... + 492004.

It is an arithmetic number, because the mean of its divisors is an integer number (136622115).

Almost surely, 22272136080 is an apocalyptic number.

2272136080 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2272136080 is an abundant number, since it is smaller than the sum of its proper divisors (3192748520).

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

2272136080 is a wasteful number, since it uses less digits than its factorization.

2272136080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 979411 (or 979405 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 31.

The square root of 2272136080 is about 47666.9285773690. The cubic root of 2272136080 is about 1314.6539360286.

The spelling of 2272136080 in words is "two billion, two hundred seventy-two million, one hundred thirty-six thousand, eighty".

Divisors: 1 2 4 5 8 10 16 20 29 40 58 80 116 145 232 290 464 580 1160 2320 979369 1958738 3917476 4896845 7834952 9793690 15669904 19587380 28401701 39174760 56803402 78349520 113606804 142008505 227213608 284017010 454427216 568034020 1136068040 2272136080