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4385899680 = 2535291631933
BaseRepresentation
bin1000001010110101…
…11000010010100000
3102022122211210021220
410011122320102200
532440242242210
62003113015040
7213454350351
oct40532702240
912278753256
104385899680
1119507a9388
12a249b4480
1354b867016
142d86c7d28
151aa0a0c70
hex1056b84a0

4385899680 has 192 divisors, whose sum is σ = 14387103360. Its totient is φ = 1121734656.

The previous prime is 4385899657. The next prime is 4385899699. The reversal of 4385899680 is 869985834.

It is a happy number.

It is a super-2 number, since 2×43858996802 = 38472232006048204800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (60).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2267994 + ... + 2269926.

It is an arithmetic number, because the mean of its divisors is an integer number (74932830).

Almost surely, 24385899680 is an apocalyptic number.

4385899680 is a gapful number since it is divisible by the number (40) 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 4385899680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7193551680).

4385899680 is an abundant number, since it is smaller than the sum of its proper divisors (10001203680).

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

4385899680 is a wasteful number, since it uses less digits than its factorization.

4385899680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2143 (or 2135 counting only the distinct ones).

The product of its (nonzero) digits is 14929920, while the sum is 60.

The square root of 4385899680 is about 66226.1253585018. The cubic root of 4385899680 is about 1636.8902601753.

The spelling of 4385899680 in words is "four billion, three hundred eighty-five million, eight hundred ninety-nine thousand, six hundred eighty".