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45938268 = 223223109509
BaseRepresentation
bin1010111100111…
…1011001011100
310012102220110100
42233033121130
543230011033
64320341100
71065316545
oct257173134
9105386410
1045938268
1123a27112
1213474790
13969570c
14615b4cc
154076513
hex2bcf65c

45938268 has 72 divisors (see below), whose sum is σ = 122522400. Its totient is φ = 14484096.

The previous prime is 45938261. The next prime is 45938273. The reversal of 45938268 is 86283954.

It is a super-2 number, since 2×459382682 = 4220648933679648, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45938261) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 89998 + ... + 90506.

It is an arithmetic number, because the mean of its divisors is an integer number (1701700).

Almost surely, 245938268 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 45938268, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (61261200).

45938268 is an abundant number, since it is smaller than the sum of its proper divisors (76584132).

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

45938268 is a wasteful number, since it uses less digits than its factorization.

45938268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 651 (or 646 counting only the distinct ones).

The product of its digits is 414720, while the sum is 45.

The square root of 45938268 is about 6777.7775118397. Note that the first 3 decimals coincide. The cubic root of 45938268 is about 358.1444336740.

The spelling of 45938268 in words is "forty-five million, nine hundred thirty-eight thousand, two hundred sixty-eight".

Divisors: 1 2 3 4 6 9 12 18 23 36 46 69 92 109 138 207 218 276 327 414 436 509 654 828 981 1018 1308 1527 1962 2036 2507 3054 3924 4581 5014 6108 7521 9162 10028 11707 15042 18324 22563 23414 30084 35121 45126 46828 55481 70242 90252 105363 110962 140484 166443 210726 221924 332886 421452 499329 665772 998658 1276063 1997316 2552126 3828189 5104252 7656378 11484567 15312756 22969134 45938268