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44957920 = 2557137293
BaseRepresentation
bin1010101110000…
…0000011100000
310010121002200011
42223200003200
543002123140
64243334304
71054064440
oct253400340
9103532604
1044957920
1123417607
1213081394
139411427
145d84120
153e30cea
hex2ae00e0

44957920 has 96 divisors (see below), whose sum is σ = 122689728. Its totient is φ = 15249408.

The previous prime is 44957879. The next prime is 44957947. The reversal of 44957920 is 2975944.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a congruent number.

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, 153294 + ... + 153586.

It is an arithmetic number, because the mean of its divisors is an integer number (1278018).

It is the magic constant of a 448 × 448 magic square.

Almost surely, 244957920 is an apocalyptic number.

44957920 is a gapful number since it is divisible by the number (40) 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 44957920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (61344864).

44957920 is an abundant number, since it is smaller than the sum of its proper divisors (77731808).

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

44957920 is a wasteful number, since it uses less digits than its factorization.

44957920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 452 (or 444 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 40.

The square root of 44957920 is about 6705.0667409057. The cubic root of 44957920 is about 355.5784261909.

The spelling of 44957920 in words is "forty-four million, nine hundred fifty-seven thousand, nine hundred twenty".

Divisors: 1 2 4 5 7 8 10 14 16 20 28 32 35 40 56 70 80 112 137 140 160 224 274 280 293 548 560 586 685 959 1096 1120 1172 1370 1465 1918 2051 2192 2344 2740 2930 3836 4102 4384 4688 4795 5480 5860 7672 8204 9376 9590 10255 10960 11720 15344 16408 19180 20510 21920 23440 30688 32816 38360 40141 41020 46880 65632 76720 80282 82040 153440 160564 164080 200705 280987 321128 328160 401410 561974 642256 802820 1123948 1284512 1404935 1605640 2247896 2809870 3211280 4495792 5619740 6422560 8991584 11239480 22478960 44957920