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401796432 = 24322790253
BaseRepresentation
bin10111111100101…
…110110101010000
31001000001101002100
4113330232311100
51310324441212
6103511520400
712646133112
oct2774566520
91030041070
10401796432
11196892674
12b2689100
136532018b
143b5113b2
152541abdc
hex17f2ed50

401796432 has 30 divisors (see below), whose sum is σ = 1124472362. Its totient is φ = 133932096.

The previous prime is 401796427. The next prime is 401796469. The reversal of 401796432 is 234697104.

401796432 is a `hidden beast` number, since 4 + 0 + 1 + 7 + 9 + 643 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 222129216 + 179667216 = 14904^2 + 13404^2 .

It is a super-2 number, since 2×4017964322 = 322880745535861248, which contains 22 as substring.

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 pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1394983 + ... + 1395270.

Almost surely, 2401796432 is an apocalyptic number.

It is an amenable number.

401796432 is an abundant number, since it is smaller than the sum of its proper divisors (722675930).

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

401796432 is a wasteful number, since it uses less digits than its factorization.

401796432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2790267 (or 2790258 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 36.

The square root of 401796432 is about 20044.8604884145. The cubic root of 401796432 is about 737.9076712662.

The spelling of 401796432 in words is "four hundred one million, seven hundred ninety-six thousand, four hundred thirty-two".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 36 48 72 144 2790253 5580506 8370759 11161012 16741518 22322024 25112277 33483036 44644048 50224554 66966072 100449108 133932144 200898216 401796432