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4897944072 = 2333747157439
BaseRepresentation
bin1001000111111000…
…01011001000001000
3110122100100100011000
410203330023020020
540012333202242
62130003535000
7232242560220
oct44374131010
913570310130
104897944072
11209384196a
12b4838a460
13600978378
143466d7080
151d9ee7a4c
hex123f0b208

4897944072 has 256 divisors, whose sum is σ = 16017408000. Its totient is φ = 1357814016.

The previous prime is 4897944019. The next prime is 4897944097. The reversal of 4897944072 is 2704497984.

It is a happy number.

4897944072 is a `hidden beast` number, since 48 + 97 + 9 + 440 + 72 = 666.

It is a super-2 number, since 2×48979440722 = 47979712264879882368, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

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 63 ways as a sum of consecutive naturals, for example, 11156829 + ... + 11157267.

It is an arithmetic number, because the mean of its divisors is an integer number (62568000).

Almost surely, 24897944072 is an apocalyptic number.

4897944072 is a gapful number since it is divisible by the number (42) 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 4897944072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8008704000).

4897944072 is an abundant number, since it is smaller than the sum of its proper divisors (11119463928).

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

4897944072 is a wasteful number, since it uses less digits than its factorization.

4897944072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 665 (or 655 counting only the distinct ones).

The product of its (nonzero) digits is 4064256, while the sum is 54.

The square root of 4897944072 is about 69985.3132592832. The cubic root of 4897944072 is about 1698.2616685227.

The spelling of 4897944072 in words is "four billion, eight hundred ninety-seven million, nine hundred forty-four thousand, seventy-two".