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100230045 = 3517393059
BaseRepresentation
bin1011111100101…
…10001110011101
320222121012202220
411332112032131
5201124330140
613540135553
72324640606
oct576261635
9228535686
10100230045
1151639353
12296975b9
13179c4426
14d450dad
158becbd0
hex5f9639d

100230045 has 16 divisors (see below), whose sum is σ = 169801920. Its totient is φ = 50311424.

The previous prime is 100230043. The next prime is 100230047. The reversal of 100230045 is 540032001.

It is an interprime number because it is at equal distance from previous prime (100230043) and next prime (100230047).

It is a cyclic number.

It is not a de Polignac number, because 100230045 - 21 = 100230043 is a prime.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100230041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 196275 + ... + 196784.

It is an arithmetic number, because the mean of its divisors is an integer number (10612620).

Almost surely, 2100230045 is an apocalyptic number.

100230045 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

100230045 is a deficient number, since it is larger than the sum of its proper divisors (69571875).

100230045 is a wasteful number, since it uses less digits than its factorization.

100230045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 393084.

The product of its (nonzero) digits is 120, while the sum is 15.

The square root of 100230045 is about 10011.4956425102. The cubic root of 100230045 is about 464.5145355483.

Adding to 100230045 its reverse (540032001), we get a palindrome (640262046).

The spelling of 100230045 in words is "one hundred million, two hundred thirty thousand, forty-five".

Divisors: 1 3 5 15 17 51 85 255 393059 1179177 1965295 5895885 6682003 20046009 33410015 100230045