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102023444 = 2279322859
BaseRepresentation
bin1100001010011…
…00000100010100
321002222022212002
412011030010110
5202104222234
614042414432
72346120305
oct605140424
9232868762
10102023444
11526537a6
122a201418
13181a1803
14d79a7ac
158e5427e
hex614c114

102023444 has 12 divisors (see below), whose sum is σ = 180801600. Its totient is φ = 50365848.

The previous prime is 102023437. The next prime is 102023447. The reversal of 102023444 is 444320201.

It is a super-2 number, since 2×1020234442 = 20817566251242272, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102023447) 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, 161114 + ... + 161745.

It is an arithmetic number, because the mean of its divisors is an integer number (15066800).

Almost surely, 2102023444 is an apocalyptic number.

It is an amenable number.

102023444 is a deficient number, since it is larger than the sum of its proper divisors (78778156).

102023444 is a wasteful number, since it uses less digits than its factorization.

102023444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 322942 (or 322940 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 102023444 is about 10100.6655226277. The cubic root of 102023444 is about 467.2686668498.

Adding to 102023444 its reverse (444320201), we get a palindrome (546343645).

The spelling of 102023444 in words is "one hundred two million, twenty-three thousand, four hundred forty-four".

Divisors: 1 2 4 79 158 316 322859 645718 1291436 25505861 51011722 102023444