Search a number
-
+
7345984690 = 251166781679
BaseRepresentation
bin1101101011101101…
…01101010010110010
3200221221202200120001
412311312231102302
5110021033002230
63212533540214
7350016560662
oct66566552262
920857680501
107345984690
11312a687030
1215101a466a
13900bb4605
144d98a01a2
152cedad0ca
hex1b5dad4b2

7345984690 has 16 divisors (see below), whose sum is σ = 14424842880. Its totient is φ = 2671267120.

The previous prime is 7345984643. The next prime is 7345984691. The reversal of 7345984690 is 964895437.

It is a super-2 number, since 2×73459846902 (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (55).

It is not an unprimeable number, because it can be changed into a prime (7345984691) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33390730 + ... + 33390949.

It is an arithmetic number, because the mean of its divisors is an integer number (901552680).

Almost surely, 27345984690 is an apocalyptic number.

7345984690 is a deficient number, since it is larger than the sum of its proper divisors (7078858190).

7345984690 is a wasteful number, since it uses less digits than its factorization.

7345984690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66781697.

The product of its (nonzero) digits is 6531840, while the sum is 55.

The square root of 7345984690 is about 85708.7200347783. The cubic root of 7345984690 is about 1943.9421637196.

The spelling of 7345984690 in words is "seven billion, three hundred forty-five million, nine hundred eighty-four thousand, six hundred ninety".

Divisors: 1 2 5 10 11 22 55 110 66781679 133563358 333908395 667816790 734598469 1469196938 3672992345 7345984690