Search a number
-
+
507251490 = 23516908383
BaseRepresentation
bin11110001111000…
…000101100100010
31022100111001020020
4132033000230202
52014324021430
6122200054310
715366365214
oct3617005442
91270431206
10507251490
1124036a609
12121a64396
1381123915
144b5225b4
152e7ebb10
hex1e3c0b22

507251490 has 16 divisors (see below), whose sum is σ = 1217403648. Its totient is φ = 135267056.

The previous prime is 507251489. The next prime is 507251513. The reversal of 507251490 is 94152705.

507251490 is nontrivially palindromic in base 14.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8454162 + ... + 8454221.

It is an arithmetic number, because the mean of its divisors is an integer number (76087728).

Almost surely, 2507251490 is an apocalyptic number.

507251490 is an abundant number, since it is smaller than the sum of its proper divisors (710152158).

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

507251490 is a wasteful number, since it uses less digits than its factorization.

507251490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16908393.

The product of its (nonzero) digits is 12600, while the sum is 33.

The square root of 507251490 is about 22522.2443375433. The cubic root of 507251490 is about 797.5191322801.

The spelling of 507251490 in words is "five hundred seven million, two hundred fifty-one thousand, four hundred ninety".

Divisors: 1 2 3 5 6 10 15 30 16908383 33816766 50725149 84541915 101450298 169083830 253625745 507251490