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102190707 = 3337102293
BaseRepresentation
bin1100001011101…
…00111001110011
321010021211022000
412011310321303
5202130100312
614050145043
72350415043
oct605647163
9233254260
10102190707
1152758433
122a282183
131822c998
14d801723
158e88adc
hex6174e73

102190707 has 16 divisors (see below), whose sum is σ = 155486880. Its totient is φ = 66285216.

The previous prime is 102190703. The next prime is 102190717. The reversal of 102190707 is 707091201.

It is not a de Polignac number, because 102190707 - 22 = 102190703 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (102190703) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 50148 + ... + 52145.

It is an arithmetic number, because the mean of its divisors is an integer number (9717930).

Almost surely, 2102190707 is an apocalyptic number.

102190707 is a deficient number, since it is larger than the sum of its proper divisors (53296173).

102190707 is a wasteful number, since it uses less digits than its factorization.

102190707 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102339 (or 102333 counting only the distinct ones).

The product of its (nonzero) digits is 882, while the sum is 27.

The square root of 102190707 is about 10108.9419327643. The cubic root of 102190707 is about 467.5238829821.

The spelling of 102190707 in words is "one hundred two million, one hundred ninety thousand, seven hundred seven".

Divisors: 1 3 9 27 37 111 333 999 102293 306879 920637 2761911 3784841 11354523 34063569 102190707