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102434401 = 176439371
BaseRepresentation
bin1100001101100…
…00011001100001
321010202012120201
412012300121201
5202210400101
614055305201
72352451366
oct606603141
9233665521
10102434401
1152904533
122a37b201
13182b6894
14d86646d
158ed5e01
hex61b0661

102434401 has 8 divisors (see below), whose sum is σ = 108640224. Its totient is φ = 96248640.

The previous prime is 102434383. The next prime is 102434407. The reversal of 102434401 is 104434201.

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

It is a cyclic number.

It is not a de Polignac number, because 102434401 - 27 = 102434273 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102434407) 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 7 ways as a sum of consecutive naturals, for example, 6246 + ... + 15616.

It is an arithmetic number, because the mean of its divisors is an integer number (13580028).

Almost surely, 2102434401 is an apocalyptic number.

It is an amenable number.

102434401 is a deficient number, since it is larger than the sum of its proper divisors (6205823).

102434401 is an equidigital number, since it uses as much as digits as its factorization.

102434401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10031.

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 102434401 is about 10120.9881434571. The cubic root of 102434401 is about 467.8952224224.

Adding to 102434401 its reverse (104434201), we get a palindrome (206868602).

The spelling of 102434401 in words is "one hundred two million, four hundred thirty-four thousand, four hundred one".

Divisors: 1 17 643 9371 10931 159307 6025553 102434401