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6970240 = 27510891
BaseRepresentation
bin11010100101101110000000
3111010010101001
4122211232000
53241021430
6405221344
7113150254
oct32455600
914103331
106970240
113a30932
122401854
1315a0804
14cd6264
1592a3ca
hex6a5b80

6970240 has 32 divisors (see below), whose sum is σ = 16664760. Its totient is φ = 2787840.

The previous prime is 6970193. The next prime is 6970247. The reversal of 6970240 is 420796.

6970240 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (32).

It is a d-powerful number, because it can be written as 65 + 97 + 75 + 0 + 221 + 48 + 0 .

It is a junction number, because it is equal to n+sod(n) for n = 6970199 and 6970208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6970247) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4806 + ... + 6085.

Almost surely, 26970240 is an apocalyptic number.

It is an amenable number.

6970240 is an abundant number, since it is smaller than the sum of its proper divisors (9694520).

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

6970240 is a wasteful number, since it uses less digits than its factorization.

6970240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10910 (or 10898 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 28.

The square root of 6970240 is about 2640.1212093387. The cubic root of 6970240 is about 191.0216435183.

The spelling of 6970240 in words is "six million, nine hundred seventy thousand, two hundred forty".

Divisors: 1 2 4 5 8 10 16 20 32 40 64 80 128 160 320 640 10891 21782 43564 54455 87128 108910 174256 217820 348512 435640 697024 871280 1394048 1742560 3485120 6970240