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245739916 = 2261434979
BaseRepresentation
bin11101010010110…
…11000110001100
3122010101212210101
432221123012030
51000402134131
640215020444
76042516622
oct1651330614
9563355711
10245739916
11116794044
126a36a724
133bbb0646
14248cb512
1516891c61
hexea5b18c

245739916 has 6 divisors (see below), whose sum is σ = 430044860. Its totient is φ = 122869956.

The previous prime is 245739911. The next prime is 245739931. The reversal of 245739916 is 619937542.

It is a happy number.

245739916 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (245739911) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30717486 + ... + 30717493.

Almost surely, 2245739916 is an apocalyptic number.

It is an amenable number.

245739916 is a deficient number, since it is larger than the sum of its proper divisors (184304944).

245739916 is a wasteful number, since it uses less digits than its factorization.

245739916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61434983 (or 61434981 counting only the distinct ones).

The product of its digits is 408240, while the sum is 46.

The square root of 245739916 is about 15676.0937736414. The cubic root of 245739916 is about 626.3617591444.

The spelling of 245739916 in words is "two hundred forty-five million, seven hundred thirty-nine thousand, nine hundred sixteen".

Divisors: 1 2 4 61434979 122869958 245739916