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401101312 = 293137683
BaseRepresentation
bin10111111010000…
…101001000000000
31000221202001120011
4113322011020000
51310140220222
6103444554304
712640206403
oct2772051000
91027661504
10401101312
11196458397
12b23b2994
1365138971
143b3add3a
152532ec77
hex17e85200

401101312 has 80 divisors (see below), whose sum is σ = 850874112. Its totient is φ = 188559360.

The previous prime is 401101303. The next prime is 401101313. The reversal of 401101312 is 213101104.

It is a junction number, because it is equal to n+sod(n) for n = 401101292 and 401101301.

It is not an unprimeable number, because it can be changed into a prime (401101313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 586923 + ... + 587605.

Almost surely, 2401101312 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 401101312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (425437056).

401101312 is an abundant number, since it is smaller than the sum of its proper divisors (449772800).

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

401101312 is an equidigital number, since it uses as much as digits as its factorization.

401101312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 769 (or 753 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 13.

The square root of 401101312 is about 20027.5138746675. The cubic root of 401101312 is about 737.4818914255.

Adding to 401101312 its reverse (213101104), we get a palindrome (614202416).

The spelling of 401101312 in words is "four hundred one million, one hundred one thousand, three hundred twelve".

Divisors: 1 2 4 8 16 31 32 37 62 64 74 124 128 148 248 256 296 496 512 592 683 992 1147 1184 1366 1984 2294 2368 2732 3968 4588 4736 5464 7936 9176 9472 10928 15872 18352 18944 21173 21856 25271 36704 42346 43712 50542 73408 84692 87424 101084 146816 169384 174848 202168 293632 338768 349696 404336 587264 677536 783401 808672 1355072 1566802 1617344 2710144 3133604 3234688 5420288 6267208 6469376 10840576 12534416 12938752 25068832 50137664 100275328 200550656 401101312