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BaseRepresentation
bin10000111100101100
310112020010
4100330230
54210140
61253220
7406251
oct207454
9115203
1069420
114817a
1234210
13257a0
141b428
1515880
hex10f2c

69420 has 48 divisors (see below), whose sum is σ = 211680. Its totient is φ = 16896.

The previous prime is 69403. The next prime is 69427. The reversal of 69420 is 2496.

It is a super-3 number, since 3×694203 = 1003633346664000, which contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (69427) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 736 + ... + 824.

It is an arithmetic number, because the mean of its divisors is an integer number (4410).

269420 is an apocalyptic number.

69420 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 69420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (105840).

69420 is an abundant number, since it is smaller than the sum of its proper divisors (142260).

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

69420 is a wasteful number, since it uses less digits than its factorization.

69420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114 (or 112 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 69420 is about 263.4767541929. The cubic root of 69420 is about 41.0987111915.

The spelling of 69420 in words is "sixty-nine thousand, four hundred twenty".