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100144030 = 2575326993
BaseRepresentation
bin1011111100000…
…01001110011110
320222102211210011
411332001032132
5201114102110
613534233434
72324132050
oct576011636
9228384704
10100144030
115158a768
122965587a
131799422c
14d42b8d0
158bd248a
hex5f8139e

100144030 has 32 divisors (see below), whose sum is σ = 209905344. Its totient is φ = 33686016.

The previous prime is 100144027. The next prime is 100144039. The reversal of 100144030 is 30441001.

It is a self number, because there is not a number n which added to its sum of digits gives 100144030.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100144039) 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, 9787 + ... + 17206.

It is an arithmetic number, because the mean of its divisors is an integer number (6559542).

Almost surely, 2100144030 is an apocalyptic number.

100144030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

100144030 is an abundant number, since it is smaller than the sum of its proper divisors (109761314).

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

100144030 is a wasteful number, since it uses less digits than its factorization.

100144030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27060.

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 100144030 is about 10007.1989087856. The cubic root of 100144030 is about 464.3816191399.

Adding to 100144030 its reverse (30441001), we get a palindrome (130585031).

The spelling of 100144030 in words is "one hundred million, one hundred forty-four thousand, thirty".

Divisors: 1 2 5 7 10 14 35 53 70 106 265 371 530 742 1855 3710 26993 53986 134965 188951 269930 377902 944755 1430629 1889510 2861258 7153145 10014403 14306290 20028806 50072015 100144030