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245454012 = 22326818167
BaseRepresentation
bin11101010000101…
…01010010111100
3122002212100121100
432220111102330
51000314012022
640204533100
76040216236
oct1650252274
9562770540
10245454012
11116609261
126a251190
133bb1047b
1424855256
15168371ac
hexea154bc

245454012 has 18 divisors (see below), whose sum is σ = 620453288. Its totient is φ = 81817992.

The previous prime is 245453993. The next prime is 245454017. The reversal of 245454012 is 210454542.

245454012 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (18).

It is a super-2 number, since 2×2454540122 = 120495344013792288, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245454017) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3409048 + ... + 3409119.

Almost surely, 2245454012 is an apocalyptic number.

It is an amenable number.

245454012 is an abundant number, since it is smaller than the sum of its proper divisors (374999276).

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

245454012 is a wasteful number, since it uses less digits than its factorization.

245454012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6818177 (or 6818172 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 27.

The square root of 245454012 is about 15666.9720112088. The cubic root of 245454012 is about 626.1187531381.

The spelling of 245454012 in words is "two hundred forty-five million, four hundred fifty-four thousand, twelve".

Divisors: 1 2 3 4 6 9 12 18 36 6818167 13636334 20454501 27272668 40909002 61363503 81818004 122727006 245454012