Search a number
-
+
1400202530 = 25198388789
BaseRepresentation
bin101001101110101…
…0110010100100010
310121120201122202222
41103131112110202
510331422440110
6350535111042
746461345056
oct12335262442
93546648688
101400202530
11659417981
12330b12482
1319411ca0c
14d3d65c66
1582dd4c55
hex53756522

1400202530 has 32 divisors (see below), whose sum is σ = 2685009600. Its totient is φ = 524204352.

The previous prime is 1400202523. The next prime is 1400202553. The reversal of 1400202530 is 352020041.

It is a junction number, because it is equal to n+sod(n) for n = 1400202499 and 1400202508.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28625 + ... + 60164.

It is an arithmetic number, because the mean of its divisors is an integer number (83906550).

Almost surely, 21400202530 is an apocalyptic number.

1400202530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1400202530 is a deficient number, since it is larger than the sum of its proper divisors (1284807070).

1400202530 is a wasteful number, since it uses less digits than its factorization.

1400202530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88898.

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 1400202530 is about 37419.2801908321. The cubic root of 1400202530 is about 1118.7428842592.

Adding to 1400202530 its reverse (352020041), we get a palindrome (1752222571).

The spelling of 1400202530 in words is "one billion, four hundred million, two hundred two thousand, five hundred thirty".

Divisors: 1 2 5 10 19 38 83 95 166 190 415 830 1577 3154 7885 15770 88789 177578 443945 887890 1686991 3373982 7369487 8434955 14738974 16869910 36847435 73694870 140020253 280040506 700101265 1400202530