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499093920 = 25335138887
BaseRepresentation
bin11101101111111…
…001000110100000
31021210010121011000
4131233321012200
52010232001140
6121305152000
715240141213
oct3557710640
91253117130
10499093920
112367a8716
1211b18b600
137c528860
144a3db77a
152dc39a30
hex1dbf91a0

499093920 has 192 divisors, whose sum is σ = 1881411840. Its totient is φ = 122840064.

The previous prime is 499093909. The next prime is 499093927. The reversal of 499093920 is 29390994.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (499093927) 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, 51717 + ... + 60603.

It is an arithmetic number, because the mean of its divisors is an integer number (9799020).

Almost surely, 2499093920 is an apocalyptic number.

499093920 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 499093920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (940705920).

499093920 is an abundant number, since it is smaller than the sum of its proper divisors (1382317920).

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

499093920 is a wasteful number, since it uses less digits than its factorization.

499093920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8924 (or 8910 counting only the distinct ones).

The product of its (nonzero) digits is 157464, while the sum is 45.

The square root of 499093920 is about 22340.4100230949. The cubic root of 499093920 is about 793.2207986380.

The spelling of 499093920 in words is "four hundred ninety-nine million, ninety-three thousand, nine hundred twenty".