Search a number
-
+
69214320 = 24325731443
BaseRepresentation
bin1000010000000…
…10000001110000
311211020110012100
410020002001300
5120204324240
610511300400
71500212010
oct410020160
9154213170
1069214320
113608481a
121b21a700
1311455026
149299c40
156122e30
hex4202070

69214320 has 240 divisors, whose sum is σ = 274839552. Its totient is φ = 15275520.

The previous prime is 69214261. The next prime is 69214331. The reversal of 69214320 is 2341296.

It is a tau number, because it is divible by the number of its divisors (240).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 156019 + ... + 156461.

Almost surely, 269214320 is an apocalyptic number.

69214320 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 69214320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (137419776).

69214320 is an abundant number, since it is smaller than the sum of its proper divisors (205625232).

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

69214320 is a wasteful number, since it uses less digits than its factorization.

69214320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 500 (or 491 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

The square root of 69214320 is about 8319.5144089063. The cubic root of 69214320 is about 410.5808147309.

The spelling of 69214320 in words is "sixty-nine million, two hundred fourteen thousand, three hundred twenty".