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1401021032 = 231393673433
BaseRepresentation
bin101001110000001…
…1110001001101000
310121122021020112212
41103200132021220
510332130133112
6351004424252
746501324265
oct12340361150
93548236485
101401021032
11659926924
12331248088
13194348438
14d40da26c
1582ee7522
hex5381e268

1401021032 has 32 divisors (see below), whose sum is σ = 2653795200. Its totient is φ = 693373824.

The previous prime is 1401021019. The next prime is 1401021053. The reversal of 1401021032 is 2301201041.

It is a junction number, because it is equal to n+sod(n) for n = 1401020998 and 1401021016.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 406388 + ... + 409820.

It is an arithmetic number, because the mean of its divisors is an integer number (82931100).

Almost surely, 21401021032 is an apocalyptic number.

It is an amenable number.

1401021032 is a deficient number, since it is larger than the sum of its proper divisors (1252774168).

1401021032 is a wasteful number, since it uses less digits than its factorization.

1401021032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3945 (or 3941 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 1401021032 is about 37430.2154949714. The cubic root of 1401021032 is about 1118.9608324728.

Adding to 1401021032 its reverse (2301201041), we get a palindrome (3702222073).

Subtracting 1401021032 from its reverse (2301201041), we obtain a square (900180009 = 300032).

The spelling of 1401021032 in words is "one billion, four hundred one million, twenty-one thousand, thirty-two".

Divisors: 1 2 4 8 139 278 367 556 734 1112 1468 2936 3433 6866 13732 27464 51013 102026 204052 408104 477187 954374 1259911 1908748 2519822 3817496 5039644 10079288 175127629 350255258 700510516 1401021032