Search a number
-
+
245370388 = 2261342597
BaseRepresentation
bin11101010000000…
…00111000010100
3122002201002220011
432220000320110
51000303323023
640203050004
76036420364
oct1650007024
9562632804
10245370388
1111656144a
126a210904
133bab13a3
14248329a4
151681c50d
hexea00e14

245370388 has 6 divisors (see below), whose sum is σ = 429398186. Its totient is φ = 122685192.

The previous prime is 245370379. The next prime is 245370431. The reversal of 245370388 is 883073542.

It can be written as a sum of positive squares in only one way, i.e., 242487184 + 2883204 = 15572^2 + 1698^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 245370388.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30671295 + ... + 30671302.

Almost surely, 2245370388 is an apocalyptic number.

It is an amenable number.

245370388 is a deficient number, since it is larger than the sum of its proper divisors (184027798).

245370388 is a wasteful number, since it uses less digits than its factorization.

245370388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61342601 (or 61342599 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 40.

The square root of 245370388 is about 15664.3029848123. The cubic root of 245370388 is about 626.0476406972.

The spelling of 245370388 in words is "two hundred forty-five million, three hundred seventy thousand, three hundred eighty-eight".

Divisors: 1 2 4 61342597 122685194 245370388