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30796416 = 273371967
BaseRepresentation
bin111010101111…
…0101010000000
32010221121202000
41311132222000
530340441131
63020024000
7522523320
oct165365200
963847660
1030796416
1116424892
12a392000
1364c3641
144139280
152a84ce6
hex1d5ea80

30796416 has 256 divisors, whose sum is σ = 110976000. Its totient is φ = 8211456.

The previous prime is 30796393. The next prime is 30796417. The reversal of 30796416 is 61469703.

30796416 is a `hidden beast` number, since 3 + 0 + 7 + 9 + 641 + 6 = 666.

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

It is not an unprimeable number, because it can be changed into a prime (30796417) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 459615 + ... + 459681.

It is an arithmetic number, because the mean of its divisors is an integer number (433500).

Almost surely, 230796416 is an apocalyptic number.

30796416 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 30796416, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (55488000).

30796416 is an abundant number, since it is smaller than the sum of its proper divisors (80179584).

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

30796416 is a wasteful number, since it uses less digits than its factorization.

30796416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116 (or 98 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 36.

The square root of 30796416 is about 5549.4518648241. The cubic root of 30796416 is about 313.4488824876.

The spelling of 30796416 in words is "thirty million, seven hundred ninety-six thousand, four hundred sixteen".