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8380038 = 231396673
BaseRepresentation
bin11111111101111010000110
3120202202020210
4133331322012
54121130123
6455340250
7131141412
oct37757206
916682223
108380038
114804057
122981686
131975404
141181d42
15b07e93
hex7fde86

8380038 has 8 divisors (see below), whose sum is σ = 16760088. Its totient is φ = 2793344.

The previous prime is 8380037. The next prime is 8380039. The reversal of 8380038 is 8300838.

It is an interprime number because it is at equal distance from previous prime (8380037) and next prime (8380039).

It is a sphenic number, since it is the product of 3 distinct primes.

8380038 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 8379987 and 8380014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8380037) 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, 698331 + ... + 698342.

It is an arithmetic number, because the mean of its divisors is an integer number (2095011).

Almost surely, 28380038 is an apocalyptic number.

8380038 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

8380038 is a wasteful number, since it uses less digits than its factorization.

8380038 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1396678.

The product of its (nonzero) digits is 4608, while the sum is 30.

The square root of 8380038 is about 2894.8295286597. The cubic root of 8380038 is about 203.1181174157.

It can be divided in two parts, 83800 and 38, that added together give a palindrome (83838).

The spelling of 8380038 in words is "eight million, three hundred eighty thousand, thirty-eight".

Divisors: 1 2 3 6 1396673 2793346 4190019 8380038