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245021416 = 231913911597
BaseRepresentation
bin11101001101010…
…11101011101000
3122002001101012021
432212223223220
51000211141131
640151354224
76033435103
oct1646535350
9562041167
10245021416
11116343242
126a082974
133b9bb5b3
142478173a
151679de11
hexe9abae8

245021416 has 32 divisors (see below), whose sum is σ = 487116000. Its totient is φ = 115217856.

The previous prime is 245021407. The next prime is 245021417. The reversal of 245021416 is 614120542.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (245021417) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15330 + ... + 26926.

It is an arithmetic number, because the mean of its divisors is an integer number (15222375).

Almost surely, 2245021416 is an apocalyptic number.

It is an amenable number.

245021416 is a deficient number, since it is larger than the sum of its proper divisors (242094584).

245021416 is a wasteful number, since it uses less digits than its factorization.

245021416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11761 (or 11757 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 245021416 is about 15653.1599365751. The cubic root of 245021416 is about 625.7507062632.

Adding to 245021416 its reverse (614120542), we get a palindrome (859141958).

The spelling of 245021416 in words is "two hundred forty-five million, twenty-one thousand, four hundred sixteen".

Divisors: 1 2 4 8 19 38 76 139 152 278 556 1112 2641 5282 10564 11597 21128 23194 46388 92776 220343 440686 881372 1611983 1762744 3223966 6447932 12895864 30627677 61255354 122510708 245021416