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30373056 = 2637731
BaseRepresentation
bin111001111011…
…1010011000000
32010011010000000
41303313103000
530233414211
63003000000
7516111120
oct163672300
963133000
1030373056
11161657aa
12a209000
1363a5a2c
144068c80
1529ee656
hex1cf74c0

30373056 has 224 divisors, whose sum is σ = 106639360. Its totient is φ = 8398080.

The previous prime is 30373027. The next prime is 30373061. The reversal of 30373056 is 65037303.

It is a tau number, because it is divible by the number of its divisors (224).

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 979761 + ... + 979791.

Almost surely, 230373056 is an apocalyptic number.

30373056 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 30373056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (53319680).

30373056 is an abundant number, since it is smaller than the sum of its proper divisors (76266304).

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

30373056 is an frugal number, since it uses more digits than its factorization.

30373056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71 (or 43 counting only the distinct ones).

The product of its (nonzero) digits is 5670, while the sum is 27.

The square root of 30373056 is about 5511.1755551788. The cubic root of 30373056 is about 312.0059170475.

The spelling of 30373056 in words is "thirty million, three hundred seventy-three thousand, fifty-six".