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102367985 = 5131373419
BaseRepresentation
bin1100001101000…
…00001011110001
321010121211110212
412012200023301
5202201233420
614054033505
72352053636
oct606401361
9233554425
10102367985
1152869645
122a348895
1318292595
14d84a18d
158ec13c5
hex61a02f1

102367985 has 16 divisors (see below), whose sum is σ = 124407360. Its totient is φ = 80857920.

The previous prime is 102367981. The next prime is 102367987. The reversal of 102367985 is 589763201.

It is not a de Polignac number, because 102367985 - 22 = 102367981 is a prime.

It is not an unprimeable number, because it can be changed into a prime (102367981) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 244106 + ... + 244524.

It is an arithmetic number, because the mean of its divisors is an integer number (7775460).

Almost surely, 2102367985 is an apocalyptic number.

It is an amenable number.

102367985 is a deficient number, since it is larger than the sum of its proper divisors (22039375).

102367985 is a wasteful number, since it uses less digits than its factorization.

102367985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 928.

The product of its (nonzero) digits is 90720, while the sum is 41.

The square root of 102367985 is about 10117.7065088883. The cubic root of 102367985 is about 467.7940765591.

The spelling of 102367985 in words is "one hundred two million, three hundred sixty-seven thousand, nine hundred eighty-five".

Divisors: 1 5 131 373 419 655 1865 2095 48863 54889 156287 244315 274445 781435 20473597 102367985