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44997680 = 2457213883
BaseRepresentation
bin1010101110100…
…1110000110000
310010200010012202
42223221300300
543004411210
64244242332
71054321400
oct253516060
9103603182
1044997680
1123444472
12130a03a8
139426560
145d94800
153e3c9a5
hex2ae9c30

44997680 has 120 divisors (see below), whose sum is σ = 131210352. Its totient is φ = 14224896.

The previous prime is 44997629. The next prime is 44997721. The reversal of 44997680 is 8679944.

It is a super-3 number, since 3×449976803 (a number of 24 digits) contains 333 as substring.

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, 50519 + ... + 51401.

Almost surely, 244997680 is an apocalyptic number.

44997680 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 44997680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (65605176).

44997680 is an abundant number, since it is smaller than the sum of its proper divisors (86212672).

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

44997680 is a wasteful number, since it uses less digits than its factorization.

44997680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 923 (or 910 counting only the distinct ones).

The product of its (nonzero) digits is 435456, while the sum is 47.

The square root of 44997680 is about 6708.0310076803. The cubic root of 44997680 is about 355.6832177569.

The spelling of 44997680 in words is "forty-four million, nine hundred ninety-seven thousand, six hundred eighty".

Divisors: 1 2 4 5 7 8 10 13 14 16 20 26 28 35 40 49 52 56 65 70 80 91 98 104 112 130 140 182 196 208 245 260 280 364 392 455 490 520 560 637 728 784 883 910 980 1040 1274 1456 1766 1820 1960 2548 3185 3532 3640 3920 4415 5096 6181 6370 7064 7280 8830 10192 11479 12362 12740 14128 17660 22958 24724 25480 30905 35320 43267 45916 49448 50960 57395 61810 70640 80353 86534 91832 98896 114790 123620 160706 173068 183664 216335 229580 247240 321412 346136 401765 432670 459160 494480 562471 642824 692272 803530 865340 918320 1124942 1285648 1607060 1730680 2249884 2812355 3214120 3461360 4499768 5624710 6428240 8999536 11249420 22498840 44997680