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1043400625 = 541669441
BaseRepresentation
bin111110001100010…
…000011110110001
32200201100020120121
4332030100132301
54114102310000
6251311410241
734566521221
oct7614203661
92621306517
101043400625
11495a77373
12251523981
13138224827
149c808081
1561905b1a
hex3e3107b1

1043400625 has 10 divisors (see below), whose sum is σ = 1303834202. Its totient is φ = 834720000.

The previous prime is 1043400587. The next prime is 1043400641. The reversal of 1043400625 is 5260043401.

1043400625 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 5 ways, for example, as 395850816 + 647549809 = 19896^2 + 25447^2 .

It is a de Polignac number, because none of the positive numbers 2k-1043400625 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1043400625.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 834096 + ... + 835345.

Almost surely, 21043400625 is an apocalyptic number.

It is an amenable number.

1043400625 is a deficient number, since it is larger than the sum of its proper divisors (260433577).

1043400625 is an frugal number, since it uses more digits than its factorization.

1043400625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1669461 (or 1669446 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 1043400625 is about 32301.7124159076. The cubic root of 1043400625 is about 1014.2624893134.

The spelling of 1043400625 in words is "one billion, forty-three million, four hundred thousand, six hundred twenty-five".

Divisors: 1 5 25 125 625 1669441 8347205 41736025 208680125 1043400625