Search a number
-
+
670000050 = 232522951341
BaseRepresentation
bin100111111011110…
…110001110110010
31201200201112021200
4213323312032302
52333010000200
6150252232030
722413622626
oct4773661662
91650645250
10670000050
11314219a55
1216846b616
13a8a67445
1464da9186
153dc48800
hex27ef63b2

670000050 has 72 divisors (see below), whose sum is σ = 1862174340. Its totient is φ = 172502400.

The previous prime is 670000031. The next prime is 670000103. The reversal of 670000050 is 50000076.

It can be written as a sum of positive squares in 6 ways, for example, as 362102841 + 307897209 = 19029^2 + 17547^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 669999978 and 670000032.

It is an unprimeable number.

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 35 ways as a sum of consecutive naturals, for example, 12621 + ... + 38720.

Almost surely, 2670000050 is an apocalyptic number.

670000050 is an abundant number, since it is smaller than the sum of its proper divisors (1192174290).

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

670000050 is a wasteful number, since it uses less digits than its factorization.

670000050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51388 (or 51380 counting only the distinct ones).

The product of its (nonzero) digits is 210, while the sum is 18.

The square root of 670000050 is about 25884.3591769238. The cubic root of 670000050 is about 875.0340340503.

The spelling of 670000050 in words is "six hundred seventy million, fifty", and thus it is an aban number.

Divisors: 1 2 3 5 6 9 10 15 18 25 29 30 45 50 58 75 87 90 145 150 174 225 261 290 435 450 522 725 870 1305 1450 2175 2610 4350 6525 13050 51341 102682 154023 256705 308046 462069 513410 770115 924138 1283525 1488889 1540230 2310345 2567050 2977778 3850575 4466667 4620690 7444445 7701150 8933334 11551725 13400001 14888890 22333335 23103450 26800002 37222225 44666670 67000005 74444450 111666675 134000010 223333350 335000025 670000050