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100211230 = 2572367929
BaseRepresentation
bin1011111100100…
…01101000011110
320222120020222001
411332101220132
5201123224410
613535512514
72324532010
oct576215036
9228506861
10100211230
11516261a9
122968873a
13179b89b2
14d4481b0
158be733a
hex5f91a1e

100211230 has 64 divisors (see below), whose sum is σ = 218557440. Its totient is φ = 32338944.

The previous prime is 100211183. The next prime is 100211231. The reversal of 100211230 is 32112001.

It is a super-2 number, since 2×1002112302 = 20084581236225800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100211231) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 107406 + ... + 108334.

It is an arithmetic number, because the mean of its divisors is an integer number (3414960).

Almost surely, 2100211230 is an apocalyptic number.

100211230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

100211230 is an abundant number, since it is smaller than the sum of its proper divisors (118346210).

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

100211230 is a wasteful number, since it uses less digits than its factorization.

100211230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1033.

The product of its (nonzero) digits is 12, while the sum is 10.

The square root of 100211230 is about 10010.5559286186. Note that the first 3 decimals coincide. The cubic root of 100211230 is about 464.4854677908.

Adding to 100211230 its reverse (32112001), we get a palindrome (132323231).

The spelling of 100211230 in words is "one hundred million, two hundred eleven thousand, two hundred thirty".

Divisors: 1 2 5 7 10 14 23 35 46 67 70 115 134 161 230 322 335 469 670 805 929 938 1541 1610 1858 2345 3082 4645 4690 6503 7705 9290 10787 13006 15410 21367 21574 32515 42734 53935 62243 65030 106835 107870 124486 149569 213670 299138 311215 435701 622430 747845 871402 1431589 1495690 2178505 2863178 4357010 7157945 10021123 14315890 20042246 50105615 100211230