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69420024 = 2333557577
BaseRepresentation
bin1000010001101…
…00001111111000
311211121220101000
410020310033320
5120232420044
610515525000
71502026512
oct410641770
9154556330
1069420024
1136205323
121b2b9760
13114c784b
149310bb2
156163d69
hex42343f8

69420024 has 64 divisors (see below), whose sum is σ = 193514400. Its totient is φ = 23058432.

The previous prime is 69420019. The next prime is 69420031. The reversal of 69420024 is 42002496.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a self number, because there is not a number n which added to its sum of digits gives 69420024.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 120024 + ... + 120600.

Almost surely, 269420024 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 69420024, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (96757200).

69420024 is an abundant number, since it is smaller than the sum of its proper divisors (124094376).

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

69420024 is a wasteful number, since it uses less digits than its factorization.

69420024 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1149 (or 1139 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The square root of 69420024 is about 8331.8679778307. The cubic root of 69420024 is about 410.9871592770.

The spelling of 69420024 in words is "sixty-nine million, four hundred twenty thousand, twenty-four".

Divisors: 1 2 3 4 6 8 9 12 18 24 27 36 54 72 108 216 557 577 1114 1154 1671 1731 2228 2308 3342 3462 4456 4616 5013 5193 6684 6924 10026 10386 13368 13848 15039 15579 20052 20772 30078 31158 40104 41544 60156 62316 120312 124632 321389 642778 964167 1285556 1928334 2571112 2892501 3856668 5785002 7713336 8677503 11570004 17355006 23140008 34710012 69420024