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308195104 = 257343653
BaseRepresentation
bin10010010111101…
…010111100100000
3210110220221012111
4102113222330200
51112344220404
650325405104
710431421000
oct2227527440
9713827174
10308195104
11148a715a8
1287269794
134bb09c89
142cd08000
151c0cc104
hex125eaf20

308195104 has 96 divisors (see below), whose sum is σ = 725155200. Its totient is φ = 128814336.

The previous prime is 308195071. The next prime is 308195113. The reversal of 308195104 is 401591803.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 471642 + ... + 472294.

It is an arithmetic number, because the mean of its divisors is an integer number (7553700).

Almost surely, 2308195104 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 308195104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (362577600).

308195104 is an abundant number, since it is smaller than the sum of its proper divisors (416960096).

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

308195104 is an equidigital number, since it uses as much as digits as its factorization.

308195104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 727 (or 705 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 31.

The square root of 308195104 is about 17555.4864358696. The cubic root of 308195104 is about 675.4739088064.

The spelling of 308195104 in words is "three hundred eight million, one hundred ninety-five thousand, one hundred four".

Divisors: 1 2 4 7 8 14 16 28 32 43 49 56 86 98 112 172 196 224 301 343 344 392 602 653 686 688 784 1204 1306 1372 1376 1568 2107 2408 2612 2744 4214 4571 4816 5224 5488 8428 9142 9632 10448 10976 14749 16856 18284 20896 28079 29498 31997 33712 36568 56158 58996 63994 67424 73136 112316 117992 127988 146272 196553 223979 224632 235984 255976 393106 447958 449264 471968 511952 786212 895916 898528 1023904 1375871 1572424 1791832 2751742 3144848 3583664 5503484 6289696 7167328 9631097 11006968 19262194 22013936 38524388 44027872 77048776 154097552 308195104