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213394112 = 265321187
BaseRepresentation
bin11001011100000…
…10001011000000
3112212112112200122
430232002023000
5414112102422
633101435412
75200551161
oct1456021300
9485475618
10213394112
11aa501178
125b56bb68
1335296a09
14204ab768
1513b02d42
hexcb822c0

213394112 has 42 divisors (see below), whose sum is σ = 431957988. Its totient is φ = 104595712.

The previous prime is 213394109. The next prime is 213394123. The reversal of 213394112 is 211493312.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 179183 + ... + 180369.

It is an arithmetic number, because the mean of its divisors is an integer number (10284714).

Almost surely, 2213394112 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 213394112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (215978994).

213394112 is an abundant number, since it is smaller than the sum of its proper divisors (218563876).

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

213394112 is an equidigital number, since it uses as much as digits as its factorization.

213394112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1305 (or 1242 counting only the distinct ones).

The product of its digits is 1296, while the sum is 26.

The square root of 213394112 is about 14608.0153340555. The cubic root of 213394112 is about 597.5773720291.

The spelling of 213394112 in words is "two hundred thirteen million, three hundred ninety-four thousand, one hundred twelve".

Divisors: 1 2 4 8 16 32 53 64 106 212 424 848 1187 1696 2374 2809 3392 4748 5618 9496 11236 18992 22472 37984 44944 62911 75968 89888 125822 179776 251644 503288 1006576 2013152 3334283 4026304 6668566 13337132 26674264 53348528 106697056 213394112