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2272604140 = 225293918283
BaseRepresentation
bin1000011101110101…
…0010111111101100
312212101022020210201
42013131102333230
514123241313030
61013301443244
7110213550022
oct20735227754
95771266721
102272604140
11a6690a144
12535110524
132a2aa25a1
14177b7a712
15d47ae2ca
hex87752fec

2272604140 has 24 divisors (see below), whose sum is σ = 4937037840. Its totient is φ = 877695168.

The previous prime is 2272604107. The next prime is 2272604179. The reversal of 2272604140 is 414062722.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 2272604099 and 2272604108.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1958562 + ... + 1959721.

It is an arithmetic number, because the mean of its divisors is an integer number (205709910).

Almost surely, 22272604140 is an apocalyptic number.

2272604140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2272604140 is an abundant number, since it is smaller than the sum of its proper divisors (2664433700).

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

2272604140 is a wasteful number, since it uses less digits than its factorization.

2272604140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3918321 (or 3918319 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 28.

The square root of 2272604140 is about 47671.8380178487. The cubic root of 2272604140 is about 1314.7442027279.

Adding to 2272604140 its reverse (414062722), we get a palindrome (2686666862).

The spelling of 2272604140 in words is "two billion, two hundred seventy-two million, six hundred four thousand, one hundred forty".

Divisors: 1 2 4 5 10 20 29 58 116 145 290 580 3918283 7836566 15673132 19591415 39182830 78365660 113630207 227260414 454520828 568151035 1136302070 2272604140