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102146000 = 2453114643
BaseRepresentation
bin1100001011010…
…01111111010000
321010012112222012
412011221333100
5202122133000
614045202052
72350140515
oct605517720
9233175865
10102146000
1152727890
122a260328
1318215528
14d7cd30c
158e7a735
hex6169fd0

102146000 has 80 divisors (see below), whose sum is σ = 269500608. Its totient is φ = 37136000.

The previous prime is 102145991. The next prime is 102146003. The reversal of 102146000 is 641201.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102146003) 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, 19679 + ... + 24321.

Almost surely, 2102146000 is an apocalyptic number.

102146000 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 102146000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (134750304).

102146000 is an abundant number, since it is smaller than the sum of its proper divisors (167354608).

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

102146000 is a wasteful number, since it uses less digits than its factorization.

102146000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4677 (or 4661 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 102146000 is about 10106.7304307575. The cubic root of 102146000 is about 467.4556946584.

Adding to 102146000 its reverse (641201), we get a palindrome (102787201).

The spelling of 102146000 in words is "one hundred two million, one hundred forty-six thousand".

Divisors: 1 2 4 5 8 10 11 16 20 22 25 40 44 50 55 80 88 100 110 125 176 200 220 250 275 400 440 500 550 880 1000 1100 1375 2000 2200 2750 4400 4643 5500 9286 11000 18572 22000 23215 37144 46430 51073 74288 92860 102146 116075 185720 204292 232150 255365 371440 408584 464300 510730 580375 817168 928600 1021460 1160750 1276825 1857200 2042920 2321500 2553650 4085840 4643000 5107300 6384125 9286000 10214600 12768250 20429200 25536500 51073000 102146000