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30453696 = 2632721383
BaseRepresentation
bin111010000101…
…0111111000000
32010022012121200
41310022333000
530244004241
63004421200
7516565200
oct164127700
963265550
1030453696
1116210349
12a247800
136403650
14408a400
152a184b6
hex1d0afc0

30453696 has 252 divisors, whose sum is σ = 110669832. Its totient is φ = 7934976.

The previous prime is 30453691. The next prime is 30453719. The reversal of 30453696 is 69635403.

30453696 is a `hidden beast` number, since 30 + 4 + 536 + 96 = 666.

It is a tau number, because it is divible by the number of its divisors (252).

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

It is a self number, because there is not a number n which added to its sum of digits gives 30453696.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30453691) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 366871 + ... + 366953.

It is an arithmetic number, because the mean of its divisors is an integer number (439166).

Almost surely, 230453696 is an apocalyptic number.

30453696 is a gapful number since it is divisible by the number (36) 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 30453696, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (55334916).

30453696 is an abundant number, since it is smaller than the sum of its proper divisors (80216136).

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

30453696 is a wasteful number, since it uses less digits than its factorization.

30453696 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128 (or 108 counting only the distinct ones).

The product of its (nonzero) digits is 58320, while the sum is 36.

The square root of 30453696 is about 5518.4867491007. The cubic root of 30453696 is about 312.2817966882.

The spelling of 30453696 in words is "thirty million, four hundred fifty-three thousand, six hundred ninety-six".