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102495377 = 197351949
BaseRepresentation
bin1100001101111…
…11010010010001
321010212022020002
412012333102101
5202214323002
614100455345
72353124225
oct606772221
9233768202
10102495377
1152946326
122a3aa555
131830856a
14d880785
158ee9002
hex61bf491

102495377 has 4 divisors (see below), whose sum is σ = 102549300. Its totient is φ = 102441456.

The previous prime is 102495373. The next prime is 102495401. The reversal of 102495377 is 773594201.

It is a Cunningham number, because it is equal to 101242+1.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 22052416 + 80442961 = 4696^2 + 8969^2 .

It is a cyclic number.

It is not a de Polignac number, because 102495377 - 22 = 102495373 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 102495377.

It is not an unprimeable number, because it can be changed into a prime (102495373) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24002 + ... + 27947.

It is an arithmetic number, because the mean of its divisors is an integer number (25637325).

Almost surely, 2102495377 is an apocalyptic number.

It is an amenable number.

102495377 is a deficient number, since it is larger than the sum of its proper divisors (53923).

102495377 is an equidigital number, since it uses as much as digits as its factorization.

102495377 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53922.

The product of its (nonzero) digits is 52920, while the sum is 38.

The square root of 102495377 is about 10124.0000493876. Note that the first 4 decimals coincide. The cubic root of 102495377 is about 467.9880451447.

The spelling of 102495377 in words is "one hundred two million, four hundred ninety-five thousand, three hundred seventy-seven".

Divisors: 1 1973 51949 102495377