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102450444 = 22371120247
BaseRepresentation
bin1100001101101…
…00010100001100
321010210000120220
412012310110030
5202211403234
614055511340
72352546225
oct606642414
9233700526
10102450444
1152915598
122a388550
13182c0c85
14d86c24c
158edaa49
hex61b450c

102450444 has 24 divisors (see below), whose sum is σ = 242419968. Its totient is φ = 33668880.

The previous prime is 102450409. The next prime is 102450479. The reversal of 102450444 is 444054201.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (102450409) and next prime (102450479).

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, 59272 + ... + 60975.

It is an arithmetic number, because the mean of its divisors is an integer number (10100832).

Almost surely, 2102450444 is an apocalyptic number.

It is an amenable number.

102450444 is an abundant number, since it is smaller than the sum of its proper divisors (139969524).

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

102450444 is a wasteful number, since it uses less digits than its factorization.

102450444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120325 (or 120323 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 24.

The square root of 102450444 is about 10121.7806733796. The cubic root of 102450444 is about 467.9196479772.

The spelling of 102450444 in words is "one hundred two million, four hundred fifty thousand, four hundred forty-four".

Divisors: 1 2 3 4 6 12 71 142 213 284 426 852 120247 240494 360741 480988 721482 1442964 8537537 17075074 25612611 34150148 51225222 102450444