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102448923 = 3231639109
BaseRepresentation
bin1100001101100…
…11111100011011
321010202221111120
412012303330123
5202211331143
614055500323
72352541623
oct606637433
9233687446
10102448923
1152914435
122a3876a3
13182c0385
14d86b883
158eda383
hex61b3f1b

102448923 has 16 divisors (see below), whose sum is σ = 143427840. Its totient is φ = 64921824.

The previous prime is 102448921. The next prime is 102448939. The reversal of 102448923 is 329844201.

It is not a de Polignac number, because 102448923 - 21 = 102448921 is a prime.

It is not an unprimeable number, because it can be changed into a prime (102448921) 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, 6693 + ... + 15801.

It is an arithmetic number, because the mean of its divisors is an integer number (8964240).

Almost surely, 2102448923 is an apocalyptic number.

102448923 is a deficient number, since it is larger than the sum of its proper divisors (40978917).

102448923 is a wasteful number, since it uses less digits than its factorization.

102448923 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9298.

The product of its (nonzero) digits is 13824, while the sum is 33.

The square root of 102448923 is about 10121.7055380998. The cubic root of 102448923 is about 467.9173323558.

The spelling of 102448923 in words is "one hundred two million, four hundred forty-eight thousand, nine hundred twenty-three".

Divisors: 1 3 23 69 163 489 3749 9109 11247 27327 209507 628521 1484767 4454301 34149641 102448923