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670998048 = 25376116369
BaseRepresentation
bin100111111111101…
…001111000100000
31201202121020021120
4213333221320200
52333233414143
6150325452240
722425250350
oct4777517040
91652536246
10670998048
11314840846
12168871080
13a9026786
1465188b60
153dd94383
hex27fe9e20

670998048 has 96 divisors (see below), whose sum is σ = 2046119040. Its totient is φ = 188559360.

The previous prime is 670998047. The next prime is 670998059. The reversal of 670998048 is 840899076.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (96).

It is not an unprimeable number, because it can be changed into a prime (670998047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32808 + ... + 49176.

It is an arithmetic number, because the mean of its divisors is an integer number (21313740).

Almost surely, 2670998048 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 670998048, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1023059520).

670998048 is an abundant number, since it is smaller than the sum of its proper divisors (1375120992).

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

670998048 is a wasteful number, since it uses less digits than its factorization.

670998048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16450 (or 16442 counting only the distinct ones).

The product of its (nonzero) digits is 870912, while the sum is 51.

The square root of 670998048 is about 25903.6300158877. The cubic root of 670998048 is about 875.4682872396.

The spelling of 670998048 in words is "six hundred seventy million, nine hundred ninety-eight thousand, forty-eight".

Divisors: 1 2 3 4 6 7 8 12 14 16 21 24 28 32 42 48 56 61 84 96 112 122 168 183 224 244 336 366 427 488 672 732 854 976 1281 1464 1708 1952 2562 2928 3416 5124 5856 6832 10248 13664 16369 20496 32738 40992 49107 65476 98214 114583 130952 196428 229166 261904 343749 392856 458332 523808 687498 785712 916664 998509 1374996 1571424 1833328 1997018 2749992 2995527 3666656 3994036 5499984 5991054 6989563 7988072 10999968 11982108 13979126 15976144 20968689 23964216 27958252 31952288 41937378 47928432 55916504 83874756 95856864 111833008 167749512 223666016 335499024 670998048