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494037720 = 2332511731709
BaseRepresentation
bin11101011100100…
…110101011011000
31021102121201100100
4131130212223120
52002433201340
6121004535400
715146152131
oct3534465330
91242551310
10494037720
11233964940
12119551560
137b478317
1449882c88
152d58b830
hex1d726ad8

494037720 has 192 divisors, whose sum is σ = 1776621600. Its totient is φ = 118056960.

The previous prime is 494037703. The next prime is 494037737. The reversal of 494037720 is 27730494.

It is an interprime number because it is at equal distance from previous prime (494037703) and next prime (494037737).

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 288226 + ... + 289934.

Almost surely, 2494037720 is an apocalyptic number.

494037720 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 494037720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (888310800).

494037720 is an abundant number, since it is smaller than the sum of its proper divisors (1282583880).

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

494037720 is a wasteful number, since it uses less digits than its factorization.

494037720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1810 (or 1803 counting only the distinct ones).

The product of its (nonzero) digits is 42336, while the sum is 36.

The square root of 494037720 is about 22226.9593062119. The cubic root of 494037720 is about 790.5330590228.

The spelling of 494037720 in words is "four hundred ninety-four million, thirty-seven thousand, seven hundred twenty".