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100200030 = 2357974919
BaseRepresentation
bin1011111100011…
…10111001011110
320222112200121020
411332032321132
5201122400110
613535345010
72324454240
oct576167136
9228480536
10100200030
1151618847
1229682166
13179b3878
14d444090
158be3d70
hex5f8ee5e

100200030 has 64 divisors (see below), whose sum is σ = 277724160. Its totient is φ = 22662144.

The previous prime is 100200013. The next prime is 100200031. The reversal of 100200030 is 30002001.

It is a Harshad number since it is a multiple of its sum of digits (6).

It is a junction number, because it is equal to n+sod(n) for n = 100199991 and 100200018.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100200031) 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, 17911 + ... + 22829.

It is an arithmetic number, because the mean of its divisors is an integer number (4339440).

Almost surely, 2100200030 is an apocalyptic number.

100200030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 100200030, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (138862080).

100200030 is an abundant number, since it is smaller than the sum of its proper divisors (177524130).

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

100200030 is a wasteful number, since it uses less digits than its factorization.

100200030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5033.

The product of its (nonzero) digits is 6, while the sum is 6.

The square root of 100200030 is about 10009.9965034959. The cubic root of 100200030 is about 464.4681629070.

Adding to 100200030 its reverse (30002001), we get a palindrome (130202031).

The spelling of 100200030 in words is "one hundred million, two hundred thousand, thirty".

Divisors: 1 2 3 5 6 7 10 14 15 21 30 35 42 70 97 105 194 210 291 485 582 679 970 1358 1455 2037 2910 3395 4074 4919 6790 9838 10185 14757 20370 24595 29514 34433 49190 68866 73785 103299 147570 172165 206598 344330 477143 516495 954286 1032990 1431429 2385715 2862858 3340001 4771430 6680002 7157145 10020003 14314290 16700005 20040006 33400010 50100015 100200030