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2229650642 = 217321932
BaseRepresentation
bin1000010011100101…
…1100010011010010
312202101110222200102
42010321130103102
514031242310032
61005125052402
7106152501122
oct20471342322
95671428612
102229650642
11a4464158a
12522857102
13296c1360b
14172198c82
15d0b27362
hex84e5c4d2

2229650642 has 18 divisors (see below), whose sum is σ = 3381439887. Its totient is φ = 1102638336.

The previous prime is 2229650641. The next prime is 2229650677. The reversal of 2229650642 is 2460569222.

It can be written as a sum of positive squares in 5 ways, for example, as 1568080801 + 661569841 = 39599^2 + 25721^2 .

It is an ABA number since it can be written as A⋅BA, here for A=2, B=33389.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2229650596 and 2229650605.

It is not an unprimeable number, because it can be changed into a prime (2229650641) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 11552498 + ... + 11552690.

Almost surely, 22229650642 is an apocalyptic number.

2229650642 is a deficient number, since it is larger than the sum of its proper divisors (1151789245).

2229650642 is an frugal number, since it uses more digits than its factorization.

2229650642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 734 (or 368 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 38.

The square root of 2229650642 is about 47219.1766340753. The cubic root of 2229650642 is about 1306.4083271928.

The spelling of 2229650642 in words is "two billion, two hundred twenty-nine million, six hundred fifty thousand, six hundred forty-two".

Divisors: 1 2 173 193 346 386 29929 33389 37249 59858 66778 74498 5776297 6444077 11552594 12888154 1114825321 2229650642