Search a number
-
+
245450248 = 2330681281
BaseRepresentation
bin11101010000101…
…00011000001000
3122002212011102221
432220110120020
51000313401443
640204503424
76040202251
oct1650243010
9562764387
10245450248
1111660644a
126a24ab74
133bb0b844
1424853b28
1516835eed
hexea14608

245450248 has 8 divisors (see below), whose sum is σ = 460219230. Its totient is φ = 122725120.

The previous prime is 245450239. The next prime is 245450251. The reversal of 245450248 is 842054542.

It can be written as a sum of positive squares in only one way, i.e., 145009764 + 100440484 = 12042^2 + 10022^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15340633 + ... + 15340648.

Almost surely, 2245450248 is an apocalyptic number.

It is an amenable number.

245450248 is a deficient number, since it is larger than the sum of its proper divisors (214768982).

245450248 is a wasteful number, since it uses less digits than its factorization.

245450248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30681287 (or 30681283 counting only the distinct ones).

The product of its (nonzero) digits is 51200, while the sum is 34.

The square root of 245450248 is about 15666.8518854300. The cubic root of 245450248 is about 626.1155526430.

The spelling of 245450248 in words is "two hundred forty-five million, four hundred fifty thousand, two hundred forty-eight".

Divisors: 1 2 4 8 30681281 61362562 122725124 245450248