Search a number
-
+
100140480 = 263251129109
BaseRepresentation
bin1011111100000…
…00010111000000
320222102122220200
411332000113000
5201113443410
613534205200
72324115516
oct576002700
9228378820
10100140480
1151588030
1229653800
131799272b
14d42a4b6
158bd13c0
hex5f805c0

100140480 has 336 divisors, whose sum is σ = 392277600. Its totient is φ = 23224320.

The previous prime is 100140473. The next prime is 100140493. The reversal of 100140480 is 84041001.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 918666 + ... + 918774.

Almost surely, 2100140480 is an apocalyptic number.

100140480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 100140480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (196138800).

100140480 is an abundant number, since it is smaller than the sum of its proper divisors (292137120).

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

100140480 is a wasteful number, since it uses less digits than its factorization.

100140480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172 (or 159 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

The square root of 100140480 is about 10007.0215349024. The cubic root of 100140480 is about 464.3761317959.

Adding to 100140480 its reverse (84041001), we get a palindrome (184181481).

The spelling of 100140480 in words is "one hundred million, one hundred forty thousand, four hundred eighty".