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102354545 = 531764577
BaseRepresentation
bin1100001100111…
…00111001110001
321010121011001002
412012130321301
5202200321140
614053451345
72351666516
oct606347161
9233534032
10102354545
115285a537
122a340b55
1318289427
14d84530d
158ebc415
hex619ce71

102354545 has 8 divisors (see below), whose sum is σ = 123214824. Its totient is φ = 81624064.

The previous prime is 102354517. The next prime is 102354563. The reversal of 102354545 is 545453201.

It can be written as a sum of positive squares in 4 ways, for example, as 2534464 + 99820081 = 1592^2 + 9991^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 102354545 - 222 = 98160241 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30704 + ... + 33873.

It is an arithmetic number, because the mean of its divisors is an integer number (15401853).

Almost surely, 2102354545 is an apocalyptic number.

It is an amenable number.

102354545 is a deficient number, since it is larger than the sum of its proper divisors (20860279).

102354545 is an equidigital number, since it uses as much as digits as its factorization.

102354545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64899.

The product of its (nonzero) digits is 12000, while the sum is 29.

The square root of 102354545 is about 10117.0423049427. The cubic root of 102354545 is about 467.7736032717.

The spelling of 102354545 in words is "one hundred two million, three hundred fifty-four thousand, five hundred forty-five".

Divisors: 1 5 317 1585 64577 322885 20470909 102354545