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140233120 = 2554121377
BaseRepresentation
bin10000101101111…
…00100110100000
3100202212120200021
420112330212200
5241344424440
621525403224
73321650626
oct1026744640
9322776607
10140233120
1172181245
123ab69514
132308c4a1
14148a5516
15c4a084a
hex85bc9a0

140233120 has 48 divisors (see below), whose sum is σ = 339397128. Its totient is φ = 54722560.

The previous prime is 140233099. The next prime is 140233123. The reversal of 140233120 is 21332041.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 39992976 + 100240144 = 6324^2 + 10012^2 .

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a junction number, because it is equal to n+sod(n) for n = 140233094 and 140233103.

It is not an unprimeable number, because it can be changed into a prime (140233123) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4129 + ... + 17248.

Almost surely, 2140233120 is an apocalyptic number.

140233120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

140233120 is an abundant number, since it is smaller than the sum of its proper divisors (199164008).

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

140233120 is a wasteful number, since it uses less digits than its factorization.

140233120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21433 (or 21425 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 140233120 is about 11842.0065867234. The cubic root of 140233120 is about 519.5374585125.

Adding to 140233120 its reverse (21332041), we get a palindrome (161565161).

The spelling of 140233120 in words is "one hundred forty million, two hundred thirty-three thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 16 20 32 40 41 80 82 160 164 205 328 410 656 820 1312 1640 3280 6560 21377 42754 85508 106885 171016 213770 342032 427540 684064 855080 876457 1710160 1752914 3420320 3505828 4382285 7011656 8764570 14023312 17529140 28046624 35058280 70116560 140233120