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122320032 = 25317241311
BaseRepresentation
bin1110100101001…
…11010010100000
322112011111112120
413102213102200
5222303220112
620045424240
73013463112
oct722472240
9275144476
10122320032
116305693a
1234b6b080
131c459c23
14123613b2
15ab12e8c
hex74a74a0

122320032 has 96 divisors (see below), whose sum is σ = 342486144. Its totient is φ = 38092800.

The previous prime is 122320027. The next prime is 122320063. The reversal of 122320032 is 230023221.

It is a tau number, because it is divible by the number of its divisors (96).

It is a junction number, because it is equal to n+sod(n) for n = 122319993 and 122320020.

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, 393157 + ... + 393467.

It is an arithmetic number, because the mean of its divisors is an integer number (3567564).

Almost surely, 2122320032 is an apocalyptic number.

122320032 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 122320032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (171243072).

122320032 is an abundant number, since it is smaller than the sum of its proper divisors (220166112).

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

122320032 is a wasteful number, since it uses less digits than its factorization.

122320032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 582 (or 574 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 122320032 is about 11059.8386968346. The cubic root of 122320032 is about 496.4008639357.

Adding to 122320032 its reverse (230023221), we get a palindrome (352343253).

The spelling of 122320032 in words is "one hundred twenty-two million, three hundred twenty thousand, thirty-two".

Divisors: 1 2 3 4 6 8 12 16 17 24 32 34 48 51 68 96 102 136 204 241 272 311 408 482 544 622 723 816 933 964 1244 1446 1632 1866 1928 2488 2892 3732 3856 4097 4976 5287 5784 7464 7712 8194 9952 10574 11568 12291 14928 15861 16388 21148 23136 24582 29856 31722 32776 42296 49164 63444 65552 74951 84592 98328 126888 131104 149902 169184 196656 224853 253776 299804 393312 449706 507552 599608 899412 1199216 1274167 1798824 2398432 2548334 3597648 3822501 5096668 7195296 7645002 10193336 15290004 20386672 30580008 40773344 61160016 122320032