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1402133420 = 2251932331559
BaseRepresentation
bin101001110010010…
…1101101110101100
310121201100202110102
41103210231232230
510332421232140
6351044330232
746513636352
oct12344555654
93551322412
101402133420
1165a516656
123316a3978
1319464785c
14d43097d2
1583166e15
hex5392dbac

1402133420 has 48 divisors (see below), whose sum is σ = 2974345920. Its totient is φ = 555196416.

The previous prime is 1402133417. The next prime is 1402133431. The reversal of 1402133420 is 243312041.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 1402133392 and 1402133401.

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 15 ways as a sum of consecutive naturals, for example, 898601 + ... + 900159.

It is an arithmetic number, because the mean of its divisors is an integer number (61965540).

Almost surely, 21402133420 is an apocalyptic number.

1402133420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1402133420 is an abundant number, since it is smaller than the sum of its proper divisors (1572212500).

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

1402133420 is a wasteful number, since it uses less digits than its factorization.

1402133420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1994 (or 1992 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 1402133420 is about 37445.0720389212. The cubic root of 1402133420 is about 1119.2568997196.

Adding to 1402133420 its reverse (243312041), we get a palindrome (1645445461).

The spelling of 1402133420 in words is "one billion, four hundred two million, one hundred thirty-three thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 193 233 386 466 772 932 965 1165 1559 1930 2330 3118 3860 4660 6236 7795 15590 31180 44969 89938 179876 224845 300887 363247 449690 601774 726494 899380 1203548 1452988 1504435 1816235 3008870 3632470 6017740 7264940 70106671 140213342 280426684 350533355 701066710 1402133420