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102434444 = 22723915307
BaseRepresentation
bin1100001101100…
…00011010001100
321010202012122022
412012300122030
5202210400234
614055305312
72352451460
oct606603214
9233665568
10102434444
1152904572
122a37b238
13182b68c8
14d8664a0
158ed5e2e
hex61b068c

102434444 has 24 divisors (see below), whose sum is σ = 205739520. Its totient is φ = 43713936.

The previous prime is 102434419. The next prime is 102434473. The reversal of 102434444 is 444434201.

It is a happy number.

It is an unprimeable number.

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, 962 + ... + 14345.

It is an arithmetic number, because the mean of its divisors is an integer number (8572480).

Almost surely, 2102434444 is an apocalyptic number.

102434444 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

102434444 is an abundant number, since it is smaller than the sum of its proper divisors (103305076).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

102434444 is a wasteful number, since it uses less digits than its factorization.

102434444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15557 (or 15555 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 26.

The square root of 102434444 is about 10120.9902677554. The cubic root of 102434444 is about 467.8952878936.

Adding to 102434444 its reverse (444434201), we get a palindrome (546868645).

The spelling of 102434444 in words is "one hundred two million, four hundred thirty-four thousand, four hundred forty-four".

Divisors: 1 2 4 7 14 28 239 478 956 1673 3346 6692 15307 30614 61228 107149 214298 428596 3658373 7316746 14633492 25608611 51217222 102434444