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352812384 = 25321073
BaseRepresentation
bin10101000001110…
…111110101100000
3220120212201121100
4111001313311200
51210304444014
655001554400
711512566351
oct2501676540
9816781540
10352812384
11171176191
129a1a5a00
135812c332
1434bddd28
1520e92009
hex15077d60

352812384 has 72 divisors (see below), whose sum is σ = 1012775400. Its totient is φ = 116505024.

The previous prime is 352812337. The next prime is 352812391. The reversal of 352812384 is 483218253.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

352812384 is a `hidden beast` number, since 3 + 528 + 123 + 8 + 4 = 666.

It is a tau number, because it is divible by the number of its divisors (72).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3297259 + ... + 3297365.

It is an arithmetic number, because the mean of its divisors is an integer number (14066325).

Almost surely, 2352812384 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 352812384, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (506387700).

352812384 is an abundant number, since it is smaller than the sum of its proper divisors (659963016).

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

352812384 is an frugal number, since it uses more digits than its factorization.

352812384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 337 (or 112 counting only the distinct ones).

The product of its digits is 46080, while the sum is 36.

The square root of 352812384 is about 18783.3006684129. The cubic root of 352812384 is about 706.6124312635.

352812384 divided by its sum of digits (36) gives a cube (9800344 = 2143).

The spelling of 352812384 in words is "three hundred fifty-two million, eight hundred twelve thousand, three hundred eighty-four".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 32 36 48 72 96 107 144 214 288 321 428 642 856 963 1284 1712 1926 2568 3424 3852 5136 7704 10272 11449 15408 22898 30816 34347 45796 68694 91592 103041 137388 183184 206082 274776 366368 412164 549552 824328 1099104 1225043 1648656 2450086 3297312 3675129 4900172 7350258 9800344 11025387 14700516 19600688 22050774 29401032 39201376 44101548 58802064 88203096 117604128 176406192 352812384