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102238874 = 285359929
BaseRepresentation
bin1100001100000…
…00101010011010
321010101021100222
412012000222122
5202133120444
614051200042
72351005343
oct606005232
9233337328
10102238874
1152790641
122a2a6022
131824889a
14d8150ca
158e97eee
hex6180a9a

102238874 has 8 divisors (see below), whose sum is σ = 153540660. Its totient is φ = 51058656.

The previous prime is 102238849. The next prime is 102238879. The reversal of 102238874 is 478832201.

It can be written as a sum of positive squares in 2 ways, for example, as 76300225 + 25938649 = 8735^2 + 5093^2 .

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

It is not an unprimeable number, because it can be changed into a prime (102238879) 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, 28259 + ... + 31670.

Almost surely, 2102238874 is an apocalyptic number.

102238874 is a deficient number, since it is larger than the sum of its proper divisors (51301786).

102238874 is an equidigital number, since it uses as much as digits as its factorization.

102238874 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60784.

The product of its (nonzero) digits is 21504, while the sum is 35.

The square root of 102238874 is about 10111.3240478189. The cubic root of 102238874 is about 467.5973263390.

The spelling of 102238874 in words is "one hundred two million, two hundred thirty-eight thousand, eight hundred seventy-four".

Divisors: 1 2 853 1706 59929 119858 51119437 102238874