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100218030 = 23511303691
BaseRepresentation
bin1011111100100…
…11010010101110
320222120121021220
411332103102232
5201123434110
613540004210
72324560563
oct576232256
9228517256
10100218030
1151630320
1229690666
13179bbb13
14d44a86a
158be9370
hex5f934ae

100218030 has 32 divisors (see below), whose sum is σ = 262389888. Its totient is φ = 24295200.

The previous prime is 100218023. The next prime is 100218047. The reversal of 100218030 is 30812001.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (15).

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, 151516 + ... + 152175.

It is an arithmetic number, because the mean of its divisors is an integer number (8199684).

Almost surely, 2100218030 is an apocalyptic number.

100218030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

100218030 is an abundant number, since it is smaller than the sum of its proper divisors (162171858).

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

100218030 is a wasteful number, since it uses less digits than its factorization.

100218030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 303712.

The product of its (nonzero) digits is 48, while the sum is 15.

The square root of 100218030 is about 10010.8955643339. The cubic root of 100218030 is about 464.4959736983.

It can be divided in two parts, 100 and 218030, that added together give a triangular number (218130 = T660).

The spelling of 100218030 in words is "one hundred million, two hundred eighteen thousand, thirty".

Divisors: 1 2 3 5 6 10 11 15 22 30 33 55 66 110 165 330 303691 607382 911073 1518455 1822146 3036910 3340601 4555365 6681202 9110730 10021803 16703005 20043606 33406010 50109015 100218030