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102223242 = 23311172093
BaseRepresentation
bin1100001011111…
…00110110001010
321010100110221000
412011330312022
5202132120432
614050555430
72350611642
oct605746612
9233313830
10102223242
115277a920
122a298b76
1318241734
14d80d522
158e9357c
hex617cd8a

102223242 has 32 divisors (see below), whose sum is σ = 247815360. Its totient is φ = 30976560.

The previous prime is 102223217. The next prime is 102223259. The reversal of 102223242 is 242322201.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 85453 + ... + 86640.

It is an arithmetic number, because the mean of its divisors is an integer number (7744230).

Almost surely, 2102223242 is an apocalyptic number.

102223242 is an abundant number, since it is smaller than the sum of its proper divisors (145592118).

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

102223242 is a wasteful number, since it uses less digits than its factorization.

102223242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172115 (or 172109 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 102223242 is about 10110.5510235595. The cubic root of 102223242 is about 467.5734937409.

Adding to 102223242 its reverse (242322201), we get a palindrome (344545443).

The spelling of 102223242 in words is "one hundred two million, two hundred twenty-three thousand, two hundred forty-two".

Divisors: 1 2 3 6 9 11 18 22 27 33 54 66 99 198 297 594 172093 344186 516279 1032558 1548837 1893023 3097674 3786046 4646511 5679069 9293022 11358138 17037207 34074414 51111621 102223242