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140216900 = 22521402169
BaseRepresentation
bin10000101101110…
…00101001000100
3100202211202102112
420112320221010
5241343420100
621525200152
73321552425
oct1026705104
9322752375
10140216900
117217003a
123ab60058
1323084ca5
141489d64c
15c49ab35
hex85b8a44

140216900 has 18 divisors (see below), whose sum is σ = 304270890. Its totient is φ = 56086720.

The previous prime is 140216893. The next prime is 140216927. The reversal of 140216900 is 9612041.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 28026436 + 112190464 = 5294^2 + 10592^2 .

It is a super-2 number, since 2×1402169002 = 39321558091220000, which contains 22 as substring.

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 5 ways as a sum of consecutive naturals, for example, 700985 + ... + 701184.

Almost surely, 2140216900 is an apocalyptic number.

140216900 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

140216900 is an abundant number, since it is smaller than the sum of its proper divisors (164053990).

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

140216900 is a wasteful number, since it uses less digits than its factorization.

140216900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1402183 (or 1402176 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 23.

The square root of 140216900 is about 11841.3217167679. The cubic root of 140216900 is about 519.5174270523.

Adding to 140216900 its reverse (9612041), we get a palindrome (149828941).

The spelling of 140216900 in words is "one hundred forty million, two hundred sixteen thousand, nine hundred".

Divisors: 1 2 4 5 10 20 25 50 100 1402169 2804338 5608676 7010845 14021690 28043380 35054225 70108450 140216900