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100022000 = 2453133847
BaseRepresentation
bin1011111011000…
…11011011110000
320222012122101112
411331203123300
5201101201000
613531452452
72323113221
oct575433360
9228178345
10100022000
1151507011
12295b7128
1317950820
14d3d9248
158bab235
hex5f636f0

100022000 has 80 divisors (see below), whose sum is σ = 260524992. Its totient is φ = 36921600.

The previous prime is 100021993. The next prime is 100022003. The reversal of 100022000 is 220001.

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

It is a Harshad number since it is a multiple of its sum of digits (5).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100022003) 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, 24077 + ... + 27923.

Almost surely, 2100022000 is an apocalyptic number.

100022000 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 100022000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (130262496).

100022000 is an abundant number, since it is smaller than the sum of its proper divisors (160502992).

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

100022000 is a wasteful number, since it uses less digits than its factorization.

100022000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3883 (or 3867 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 5.

The square root of 100022000 is about 10001.0999395067. The cubic root of 100022000 is about 464.1929191836.

Adding to 100022000 its reverse (220001), we get a palindrome (100242001).

The spelling of 100022000 in words is "one hundred million, twenty-two thousand".