Search a number
-
+
313007328 = 253540253
BaseRepresentation
bin10010101010000…
…001110011100000
3210210222102100000
4102222001303200
51120112213303
651020500000
710520342544
oct2252016340
9723872300
10313007328
11150759047
12889aa600
134cb0344a
142d7dba24
151c72cda3
hex12a81ce0

313007328 has 72 divisors (see below), whose sum is σ = 923104728. Its totient is φ = 104333184.

The previous prime is 313007323. The next prime is 313007333. The reversal of 313007328 is 823700313.

313007328 is a `hidden beast` number, since 31 + 300 + 7 + 328 = 666.

It is an interprime number because it is at equal distance from previous prime (313007323) and next prime (313007333).

It is a tau number, because it is divible by the number of its divisors (72).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (313007323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12351 + ... + 27902.

It is an arithmetic number, because the mean of its divisors is an integer number (12820899).

Almost surely, 2313007328 is an apocalyptic number.

It is an amenable number.

313007328 is an abundant number, since it is smaller than the sum of its proper divisors (610097400).

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

313007328 is an equidigital number, since it uses as much as digits as its factorization.

313007328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40278 (or 40258 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 27.

The square root of 313007328 is about 17692.0131132667. The cubic root of 313007328 is about 678.9714322859.

The spelling of 313007328 in words is "three hundred thirteen million, seven thousand, three hundred twenty-eight".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 27 32 36 48 54 72 81 96 108 144 162 216 243 288 324 432 486 648 864 972 1296 1944 2592 3888 7776 40253 80506 120759 161012 241518 322024 362277 483036 644048 724554 966072 1086831 1288096 1449108 1932144 2173662 2898216 3260493 3864288 4347324 5796432 6520986 8694648 9781479 11592864 13041972 17389296 19562958 26083944 34778592 39125916 52167888 78251832 104335776 156503664 313007328