Search a number
-
+
1025680072 = 23592173051
BaseRepresentation
bin111101001000101…
…010001011001000
32122110222221112211
4331020222023020
54100033230242
6245435514504
734263064624
oct7510521310
92573887484
101025680072
11486a7368a
122475b8a34
1313465bab1
149a314184
15600a5317
hex3d22a2c8

1025680072 has 16 divisors (see below), whose sum is σ = 1955746800. Its totient is φ = 504147600.

The previous prime is 1025680063. The next prime is 1025680079. The reversal of 1025680072 is 2700865201.

It is a super-2 number, since 2×10256800722 = 2104039220195850368, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1025680079) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 1086054 + ... + 1086997.

It is an arithmetic number, because the mean of its divisors is an integer number (122234175).

Almost surely, 21025680072 is an apocalyptic number.

It is an amenable number.

1025680072 is a deficient number, since it is larger than the sum of its proper divisors (930066728).

1025680072 is a wasteful number, since it uses less digits than its factorization.

1025680072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2173116 (or 2173112 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 31.

The square root of 1025680072 is about 32026.2403662996. The cubic root of 1025680072 is about 1008.4877778014.

The spelling of 1025680072 in words is "one billion, twenty-five million, six hundred eighty thousand, seventy-two".

Divisors: 1 2 4 8 59 118 236 472 2173051 4346102 8692204 17384408 128210009 256420018 512840036 1025680072