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8380268 = 2213161159
BaseRepresentation
bin11111111101111101101100
3120202202120022
4133331331230
54121132033
6455341312
7131142161
oct37757554
916682508
108380268
114804246
122981838
131975550
141182068
15b08098
hex7fdf6c

8380268 has 12 divisors (see below), whose sum is σ = 15793680. Its totient is φ = 3867792.

The previous prime is 8380259. The next prime is 8380271. The reversal of 8380268 is 8620838.

It is an Ulam number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 80528 + ... + 80631.

It is an arithmetic number, because the mean of its divisors is an integer number (1316140).

Almost surely, 28380268 is an apocalyptic number.

It is an amenable number.

8380268 is a deficient number, since it is larger than the sum of its proper divisors (7413412).

8380268 is a wasteful number, since it uses less digits than its factorization.

8380268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161176 (or 161174 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 35.

The square root of 8380268 is about 2894.8692543878. The cubic root of 8380268 is about 203.1199756706.

The spelling of 8380268 in words is "eight million, three hundred eighty thousand, two hundred sixty-eight".

Divisors: 1 2 4 13 26 52 161159 322318 644636 2095067 4190134 8380268