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44312028 = 22319253193
BaseRepresentation
bin1010100100001…
…0010111011100
310002101021200020
42221002113130
542320441103
64221432140
71045434405
oct251022734
9102337606
1044312028
1123016312
1212a0b650
139246447
145c569ac
153d54753
hex2a425dc

44312028 has 72 divisors (see below), whose sum is σ = 111757968. Its totient is φ = 13658112.

The previous prime is 44312011. The next prime is 44312057. The reversal of 44312028 is 82021344.

It is a junction number, because it is equal to n+sod(n) for n = 44311989 and 44312007.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 229500 + ... + 229692.

It is an arithmetic number, because the mean of its divisors is an integer number (1552194).

Almost surely, 244312028 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 44312028, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (55878984).

44312028 is an abundant number, since it is smaller than the sum of its proper divisors (67445940).

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

44312028 is a wasteful number, since it uses less digits than its factorization.

44312028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 291 (or 270 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 24.

The square root of 44312028 is about 6656.7280250886. The cubic root of 44312028 is about 353.8673894434.

The spelling of 44312028 in words is "forty-four million, three hundred twelve thousand, twenty-eight".

Divisors: 1 2 3 4 6 12 19 38 53 57 76 106 114 159 193 212 228 318 361 386 579 636 722 772 1007 1083 1158 1444 2014 2166 2316 3021 3667 4028 4332 6042 7334 10229 11001 12084 14668 19133 20458 22002 30687 38266 40916 44004 57399 61374 69673 76532 114798 122748 139346 194351 209019 229596 278692 388702 418038 583053 777404 836076 1166106 2332212 3692669 7385338 11078007 14770676 22156014 44312028