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868222371 = 3289407457
BaseRepresentation
bin110011110000000…
…000010110100011
32020111201021012010
4303300000112203
53234231103441
6222053004003
730341524362
oct6360002643
92214637163
10868222371
114060a8355
12202923603
1310ab4b563
14834477d9
1551351116
hex33c005a3

868222371 has 4 divisors (see below), whose sum is σ = 1157629832. Its totient is φ = 578814912.

The previous prime is 868222339. The next prime is 868222373. The reversal of 868222371 is 173222868.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 868222371 - 25 = 868222339 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (868222373) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 144703726 + ... + 144703731.

It is an arithmetic number, because the mean of its divisors is an integer number (289407458).

Almost surely, 2868222371 is an apocalyptic number.

868222371 is a deficient number, since it is larger than the sum of its proper divisors (289407461).

868222371 is a wasteful number, since it uses less digits than its factorization.

868222371 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 289407460.

The product of its digits is 64512, while the sum is 39.

The square root of 868222371 is about 29465.6133654129. The cubic root of 868222371 is about 953.9896374721.

The spelling of 868222371 in words is "eight hundred sixty-eight million, two hundred twenty-two thousand, three hundred seventy-one".

Divisors: 1 3 289407457 868222371