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100970880 = 2735431223
BaseRepresentation
bin1100000010010…
…11000110000000
321000222212000020
412001023012000
5201322032010
614004053440
72334144513
oct601130600
9230885006
10100970880
1151aa4a0a
1229994280
1317bc36aa
14d5a4d7a
158ce7470
hex604b180

100970880 has 128 divisors (see below), whose sum is σ = 329598720. Its totient is φ = 26277888.

The previous prime is 100970879. The next prime is 100970941. The reversal of 100970880 is 88079001.

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

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, 81949 + ... + 83171.

It is an arithmetic number, because the mean of its divisors is an integer number (2574990).

Almost surely, 2100970880 is an apocalyptic number.

100970880 is a gapful number since it is divisible by the number (10) 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 100970880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (164799360).

100970880 is an abundant number, since it is smaller than the sum of its proper divisors (228627840).

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

100970880 is a wasteful number, since it uses less digits than its factorization.

100970880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1288 (or 1276 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 33.

The square root of 100970880 is about 10048.4267425304. The cubic root of 100970880 is about 465.6561900041.

The spelling of 100970880 in words is "one hundred million, nine hundred seventy thousand, eight hundred eighty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 30 32 40 43 48 60 64 80 86 96 120 128 129 160 172 192 215 240 258 320 344 384 430 480 516 640 645 688 860 960 1032 1223 1290 1376 1720 1920 2064 2446 2580 2752 3440 3669 4128 4892 5160 5504 6115 6880 7338 8256 9784 10320 12230 13760 14676 16512 18345 19568 20640 24460 27520 29352 36690 39136 41280 48920 52589 58704 73380 78272 82560 97840 105178 117408 146760 156544 157767 195680 210356 234816 262945 293520 315534 391360 420712 469632 525890 587040 631068 782720 788835 841424 1051780 1174080 1262136 1577670 1682848 2103560 2348160 2524272 3155340 3365696 4207120 5048544 6310680 6731392 8414240 10097088 12621360 16828480 20194176 25242720 33656960 50485440 100970880