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101980032 = 2737113449
BaseRepresentation
bin1100001010000…
…01011110000000
321002220010022020
412011001132000
5202101330112
614041441440
72345546610
oct605013600
9232803266
10101980032
1152624120
122a1a0280
1318187b1b
14d788a40
158e4648c
hex6141780

101980032 has 128 divisors (see below), whose sum is σ = 337824000. Its totient is φ = 26480640.

The previous prime is 101980013. The next prime is 101980033. The reversal of 101980032 is 230089101.

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

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a junction number, because it is equal to n+sod(n) for n = 101979984 and 101980011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101980033) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27844 + ... + 31292.

It is an arithmetic number, because the mean of its divisors is an integer number (2639250).

Almost surely, 2101980032 is an apocalyptic number.

101980032 is a gapful number since it is divisible by the number (12) 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 101980032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (168912000).

101980032 is an abundant number, since it is smaller than the sum of its proper divisors (235843968).

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

101980032 is a wasteful number, since it uses less digits than its factorization.

101980032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3484 (or 3472 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 24.

The square root of 101980032 is about 10098.5163266690. The cubic root of 101980032 is about 467.2023816104.

The spelling of 101980032 in words is "one hundred one million, nine hundred eighty thousand, thirty-two".

Divisors: 1 2 3 4 6 7 8 11 12 14 16 21 22 24 28 32 33 42 44 48 56 64 66 77 84 88 96 112 128 132 154 168 176 192 224 231 264 308 336 352 384 448 462 528 616 672 704 896 924 1056 1232 1344 1408 1848 2112 2464 2688 3449 3696 4224 4928 6898 7392 9856 10347 13796 14784 20694 24143 27592 29568 37939 41388 48286 55184 72429 75878 82776 96572 110368 113817 144858 151756 165552 193144 220736 227634 265573 289716 303512 331104 386288 441472 455268 531146 579432 607024 662208 772576 796719 910536 1062292 1158864 1214048 1324416 1545152 1593438 1821072 2124584 2317728 2428096 3090304 3186876 3642144 4249168 4635456 4856192 6373752 7284288 8498336 9270912 12747504 14568576 16996672 25495008 33993344 50990016 101980032