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102423022 = 2139714057
BaseRepresentation
bin1100001101011…
…01100111101110
321010201121222021
412012231213232
5202210014042
614055140354
72352403252
oct606554756
9233647867
10102423022
11528a6a29
122a3746ba
13182b1650
14d862262
158ed2867
hex61ad9ee

102423022 has 16 divisors (see below), whose sum is σ = 165663792. Its totient is φ = 47211840.

The previous prime is 102422959. The next prime is 102423023. The reversal of 102423022 is 220324201.

It is a super-2 number, since 2×1024230222 = 20980950871224968, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 102422987 and 102423005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102423023) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23218 + ... + 27274.

It is an arithmetic number, because the mean of its divisors is an integer number (10353987).

Almost surely, 2102423022 is an apocalyptic number.

102423022 is a deficient number, since it is larger than the sum of its proper divisors (63240770).

102423022 is a wasteful number, since it uses less digits than its factorization.

102423022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5043.

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 102423022 is about 10120.4259791770. The cubic root of 102423022 is about 467.8778962871.

Adding to 102423022 its reverse (220324201), we get a palindrome (322747223).

The spelling of 102423022 in words is "one hundred two million, four hundred twenty-three thousand, twenty-two".

Divisors: 1 2 13 26 971 1942 4057 8114 12623 25246 52741 105482 3939347 7878694 51211511 102423022