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8216934 = 2311235413
BaseRepresentation
bin11111010110000101100110
3120110110111220
4133112011212
54100420214
6452041210
7126562035
oct37260546
916413456
108216934
114702560
122903206
1319190bb
14113c71c
15ac49a9
hex7d6166

8216934 has 32 divisors (see below), whose sum is σ = 18710784. Its totient is φ = 2381280.

The previous prime is 8216927. The next prime is 8216939. The reversal of 8216934 is 4396128.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a junction number, because it is equal to n+sod(n) for n = 8216895 and 8216904.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8216939) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1189 + ... + 4224.

It is an arithmetic number, because the mean of its divisors is an integer number (584712).

Almost surely, 28216934 is an apocalyptic number.

8216934 is an abundant number, since it is smaller than the sum of its proper divisors (10493850).

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

8216934 is a wasteful number, since it uses less digits than its factorization.

8216934 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5452.

The product of its digits is 10368, while the sum is 33.

The square root of 8216934 is about 2866.5194923461. The cubic root of 8216934 is about 201.7916847329.

The spelling of 8216934 in words is "eight million, two hundred sixteen thousand, nine hundred thirty-four".

Divisors: 1 2 3 6 11 22 23 33 46 66 69 138 253 506 759 1518 5413 10826 16239 32478 59543 119086 124499 178629 248998 357258 373497 746994 1369489 2738978 4108467 8216934