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40970880 = 273352371
BaseRepresentation
bin1001110001001…
…0101010000000
32212002112111000
42130102222000
540442032010
64022052000
71005150426
oct234225200
985075430
1040970880
1121144035
121187a000
138646732
145627116
1538e47c0
hex2712a80

40970880 has 128 divisors (see below), whose sum is σ = 145166400. Its totient is φ = 10920960.

The previous prime is 40970879. The next prime is 40970921. The reversal of 40970880 is 8807904.

It is a tau number, because it is divible by the number of its divisors (128).

It is a super-2 number, since 2×409708802 = 3357226015948800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

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, 16095 + ... + 18465.

Almost surely, 240970880 is an apocalyptic number.

40970880 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 40970880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (72583200).

40970880 is an abundant number, since it is smaller than the sum of its proper divisors (104195520).

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

40970880 is a wasteful number, since it uses less digits than its factorization.

40970880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2399 (or 2381 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 36.

The square root of 40970880 is about 6400.8499435622. The cubic root of 40970880 is about 344.7400688612.

It can be divided in two parts, 409 and 70880, that added together give a square (71289 = 2672).

The spelling of 40970880 in words is "forty million, nine hundred seventy thousand, eight hundred eighty".

Divisors: 1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 27 30 32 36 40 45 48 54 60 64 72 80 90 96 108 120 128 135 144 160 180 192 216 240 270 288 320 360 384 432 480 540 576 640 720 864 960 1080 1152 1440 1728 1920 2160 2371 2880 3456 4320 4742 5760 7113 8640 9484 11855 14226 17280 18968 21339 23710 28452 35565 37936 42678 47420 56904 64017 71130 75872 85356 94840 106695 113808 128034 142260 151744 170712 189680 213390 227616 256068 284520 303488 320085 341424 379360 426780 455232 512136 569040 640170 682848 758720 853560 910464 1024272 1138080 1280340 1365696 1517440 1707120 2048544 2276160 2560680 2731392 3414240 4097088 4552320 5121360 6828480 8194176 10242720 13656960 20485440 40970880