Search a number
-
+
507543940 = 2251733832
BaseRepresentation
bin11110010000001…
…000000110000100
31022101000220101201
4132100020012010
52014412401230
6122210232244
715402023641
oct3620100604
91271026351
10507543940
1124054a302
12121b85684
13811c6a77
144b59adc8
152e8585ca
hex1e408184

507543940 has 36 divisors (see below), whose sum is σ = 1074809484. Its totient is φ = 201317056.

The previous prime is 507543931. The next prime is 507543977. The reversal of 507543940 is 49345705.

It can be written as a sum of positive squares in 2 ways, for example, as 337971456 + 169572484 = 18384^2 + 13022^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 507543940.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1324989 + ... + 1325371.

It is an arithmetic number, because the mean of its divisors is an integer number (29855819).

Almost surely, 2507543940 is an apocalyptic number.

It is an amenable number.

507543940 is an abundant number, since it is smaller than the sum of its proper divisors (567265544).

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

507543940 is a wasteful number, since it uses less digits than its factorization.

507543940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 948 (or 563 counting only the distinct ones).

The product of its (nonzero) digits is 75600, while the sum is 37.

The square root of 507543940 is about 22528.7358722144. The cubic root of 507543940 is about 797.6723696560.

The spelling of 507543940 in words is "five hundred seven million, five hundred forty-three thousand, nine hundred forty".

Divisors: 1 2 4 5 10 20 173 346 383 692 766 865 1532 1730 1915 3460 3830 7660 66259 132518 146689 265036 293378 331295 586756 662590 733445 1325180 1466890 2933780 25377197 50754394 101508788 126885985 253771970 507543940