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102976128 = 2732711259
BaseRepresentation
bin1100010001101…
…00101010000000
321011202201200200
412020310222000
5202330214003
614115045200
72360165643
oct610645200
9234681620
10102976128
1153144542
122a5a0800
1318446328
14d967a5a
1590916a3
hex6234a80

102976128 has 96 divisors (see below), whose sum is σ = 300736800. Its totient is φ = 33815040.

The previous prime is 102976121. The next prime is 102976147. The reversal of 102976128 is 821679201.

102976128 is a `hidden beast` number, since 10 + 29 + 7 + 612 + 8 = 666.

It is a tau number, because it is divible by the number of its divisors (96).

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

It is a junction number, because it is equal to n+sod(n) for n = 102976092 and 102976101.

It is not an unprimeable number, because it can be changed into a prime (102976121) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 81163 + ... + 82421.

It is an arithmetic number, because the mean of its divisors is an integer number (3132675).

Almost surely, 2102976128 is an apocalyptic number.

102976128 is a gapful number since it is divisible by the number (18) 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 102976128, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (150368400).

102976128 is an abundant number, since it is smaller than the sum of its proper divisors (197760672).

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

102976128 is a wasteful number, since it uses less digits than its factorization.

102976128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1350 (or 1335 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 36.

The square root of 102976128 is about 10147.7154079133. The cubic root of 102976128 is about 468.7185980031.

The spelling of 102976128 in words is "one hundred two million, nine hundred seventy-six thousand, one hundred twenty-eight".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 32 36 48 64 71 72 96 128 142 144 192 213 284 288 384 426 568 576 639 852 1136 1152 1259 1278 1704 2272 2518 2556 3408 3777 4544 5036 5112 6816 7554 9088 10072 10224 11331 13632 15108 20144 20448 22662 27264 30216 40288 40896 45324 60432 80576 81792 89389 90648 120864 161152 178778 181296 241728 268167 357556 362592 483456 536334 715112 725184 804501 1072668 1430224 1450368 1609002 2145336 2860448 3218004 4290672 5720896 6436008 8581344 11441792 12872016 17162688 25744032 34325376 51488064 102976128