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2273907949 = 23127778469
BaseRepresentation
bin1000011110001001…
…0001010011101101
312212110202111021221
42013202101103231
514124110023244
61013345423341
7110230620145
oct20742212355
95773674257
102273907949
11a6761a775
1253563ab51
132a313ab81
14177dd9925
15d496a784
hex878914ed

2273907949 has 8 divisors (see below), whose sum is σ = 2391459840. Its totient is φ = 2157913296.

The previous prime is 2273907931. The next prime is 2273907959. The reversal of 2273907949 is 9497093722.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2273907949 - 223 = 2265519341 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2273907896 and 2273907905.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2273907959) 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, 386314 + ... + 392155.

It is an arithmetic number, because the mean of its divisors is an integer number (298932480).

Almost surely, 22273907949 is an apocalyptic number.

It is an amenable number.

2273907949 is a deficient number, since it is larger than the sum of its proper divisors (117551891).

2273907949 is a wasteful number, since it uses less digits than its factorization.

2273907949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 778619.

The product of its (nonzero) digits is 1714608, while the sum is 52.

The square root of 2273907949 is about 47685.5108916744. The cubic root of 2273907949 is about 1314.9955806644.

The spelling of 2273907949 in words is "two billion, two hundred seventy-three million, nine hundred seven thousand, nine hundred forty-nine".

Divisors: 1 23 127 2921 778469 17904787 98865563 2273907949