Search a number
-
+
245020516 = 22134711933
BaseRepresentation
bin11101001101010…
…11011101100100
3122002001022221221
432212223131210
51000211124031
640151350124
76033432346
oct1646533544
9562038857
10245020516
111163425a4
126a082344
133b9bb070
1424781296
151679da11
hexe9ab764

245020516 has 12 divisors (see below), whose sum is σ = 461769532. Its totient is φ = 113086368.

The previous prime is 245020511. The next prime is 245020519. The reversal of 245020516 is 615020542.

It can be written as a sum of positive squares in 2 ways, for example, as 111386916 + 133633600 = 10554^2 + 11560^2 .

It is not an unprimeable number, because it can be changed into a prime (245020511) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2355915 + ... + 2356018.

Almost surely, 2245020516 is an apocalyptic number.

245020516 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

245020516 is a deficient number, since it is larger than the sum of its proper divisors (216749016).

245020516 is a wasteful number, since it uses less digits than its factorization.

245020516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4711950 (or 4711948 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 245020516 is about 15653.1311883597. The cubic root of 245020516 is about 625.7499401038.

The spelling of 245020516 in words is "two hundred forty-five million, twenty thousand, five hundred sixteen".

Divisors: 1 2 4 13 26 52 4711933 9423866 18847732 61255129 122510258 245020516