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4008406272 = 28313974139
BaseRepresentation
bin1110111011101011…
…0110110100000000
3101100100112010200120
43232322312310000
531202123000042
61501430020240
7201221614443
oct35672666400
911310463616
104008406272
111777705a62
1293a4a7680
134bb5a5a40
142a050165a
15186d85dec
hexeeeb6d00

4008406272 has 144 divisors (see below), whose sum is σ = 11610083520. Its totient is φ = 1220345856.

The previous prime is 4008406261. The next prime is 4008406273. The reversal of 4008406272 is 2726048004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4008406273) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 966379 + ... + 970517.

It is an arithmetic number, because the mean of its divisors is an integer number (80625580).

Almost surely, 24008406272 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 4008406272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5805041760).

4008406272 is an abundant number, since it is smaller than the sum of its proper divisors (7601677248).

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

4008406272 is a wasteful number, since it uses less digits than its factorization.

4008406272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4268 (or 4254 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 33.

The square root of 4008406272 is about 63311.9757391917. The cubic root of 4008406272 is about 1588.5122843059.

The spelling of 4008406272 in words is "four billion, eight million, four hundred six thousand, two hundred seventy-two".

Divisors: 1 2 3 4 6 8 12 13 16 24 26 32 39 48 52 64 78 96 97 104 128 156 192 194 208 256 291 312 384 388 416 582 624 768 776 832 1164 1248 1261 1552 1664 2328 2496 2522 3104 3328 3783 4139 4656 4992 5044 6208 7566 8278 9312 9984 10088 12416 12417 15132 16556 18624 20176 24832 24834 30264 33112 37248 40352 49668 53807 60528 66224 74496 80704 99336 107614 121056 132448 161408 161421 198672 215228 242112 264896 322816 322842 397344 401483 430456 484224 529792 645684 794688 802966 860912 968448 1059584 1204449 1291368 1589376 1605932 1721824 2408898 2582736 3178752 3211864 3443648 4817796 5165472 5219279 6423728 6887296 9635592 10330944 10438558 12847456 13774592 15657837 19271184 20661888 20877116 25694912 31315674 38542368 41323776 41754232 51389824 62631348 77084736 83508464 102779648 125262696 154169472 167016928 250525392 308338944 334033856 501050784 668067712 1002101568 1336135424 2004203136 4008406272