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6940120 = 2351115773
BaseRepresentation
bin11010011110010111011000
3111001121001111
4122132113120
53234040440
6404430104
7112663405
oct32362730
914047044
106940120
113a10240
1223a8334
13158cba5
14cc92ac
159214ea
hex69e5d8

6940120 has 32 divisors (see below), whose sum is σ = 17035920. Its totient is φ = 2523520.

The previous prime is 6940103. The next prime is 6940123. The reversal of 6940120 is 210496.

It is a super-2 number, since 2×69401202 = 96330531228800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 6940091 and 6940100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6940123) 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 7 ways as a sum of consecutive naturals, for example, 7447 + ... + 8326.

Almost surely, 26940120 is an apocalyptic number.

It is an amenable number.

6940120 is an abundant number, since it is smaller than the sum of its proper divisors (10095800).

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

6940120 is a wasteful number, since it uses less digits than its factorization.

6940120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15795 (or 15791 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 22.

The square root of 6940120 is about 2634.4107500540. The cubic root of 6940120 is about 190.7460968439.

The spelling of 6940120 in words is "six million, nine hundred forty thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 11 20 22 40 44 55 88 110 220 440 15773 31546 63092 78865 126184 157730 173503 315460 347006 630920 694012 867515 1388024 1735030 3470060 6940120