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444334080 = 21835113
BaseRepresentation
bin11010011111000…
…000000000000000
31010222002111202210
4122133000000000
51402222142310
6112031342120
714003530431
oct3237000000
91128074683
10444334080
112088a6853
12104981940
1371094a98
1443025488
152901e820
hex1a7c0000

444334080 has 152 divisors (see below), whose sum is σ = 1434449232. Its totient is φ = 117440512.

The previous prime is 444333983. The next prime is 444334081. The reversal of 444334080 is 80433444.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (444334081) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3932104 + ... + 3932216.

It is an arithmetic number, because the mean of its divisors is an integer number (9437166).

Almost surely, 2444334080 is an apocalyptic number.

444334080 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 444334080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (717224616).

444334080 is an abundant number, since it is smaller than the sum of its proper divisors (990115152).

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

444334080 is an frugal number, since it uses more digits than its factorization.

444334080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157 (or 123 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 30.

The square root of 444334080 is about 21079.2333826446. The cubic root of 444334080 is about 763.0796552638.

The spelling of 444334080 in words is "four hundred forty-four million, three hundred thirty-four thousand, eighty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 30 32 40 48 60 64 80 96 113 120 128 160 192 226 240 256 320 339 384 452 480 512 565 640 678 768 904 960 1024 1130 1280 1356 1536 1695 1808 1920 2048 2260 2560 2712 3072 3390 3616 3840 4096 4520 5120 5424 6144 6780 7232 7680 8192 9040 10240 10848 12288 13560 14464 15360 16384 18080 20480 21696 24576 27120 28928 30720 32768 36160 40960 43392 49152 54240 57856 61440 65536 72320 81920 86784 98304 108480 115712 122880 131072 144640 163840 173568 196608 216960 231424 245760 262144 289280 327680 347136 393216 433920 462848 491520 578560 655360 694272 786432 867840 925696 983040 1157120 1310720 1388544 1735680 1851392 1966080 2314240 2777088 3471360 3702784 3932160 4628480 5554176 6942720 7405568 9256960 11108352 13885440 14811136 18513920 22216704 27770880 29622272 37027840 44433408 55541760 74055680 88866816 111083520 148111360 222167040 444334080