Search a number
-
+
401757120 = 26325199701
BaseRepresentation
bin10111111100100…
…101001111000000
31000222222101011100
4113330211033000
51310322211440
6103511014400
712645610362
oct2774451700
91028871140
10401757120
11196866086
12b266a400
136530830b
143b500d32
152540e230
hex17f253c0

401757120 has 168 divisors, whose sum is σ = 1390802400. Its totient is φ = 106444800.

The previous prime is 401757091. The next prime is 401757131. The reversal of 401757120 is 21757104.

It is a super-2 number, since 2×4017571202 = 322817566941388800, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 572770 + ... + 573470.

Almost surely, 2401757120 is an apocalyptic number.

401757120 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 401757120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (695401200).

401757120 is an abundant number, since it is smaller than the sum of its proper divisors (989045280).

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

401757120 is a wasteful number, since it uses less digits than its factorization.

401757120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 923 (or 910 counting only the distinct ones).

The product of its (nonzero) digits is 1960, while the sum is 27.

The square root of 401757120 is about 20043.8798639385. The cubic root of 401757120 is about 737.8836047073.

The spelling of 401757120 in words is "four hundred one million, seven hundred fifty-seven thousand, one hundred twenty".