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140104400 = 24522271543
BaseRepresentation
bin10000101100111…
…01001011010000
3100202122001002212
420112131023100
5241331320100
621522531252
73320603432
oct1026351320
9322561085
10140104400
11720a3567
123ab06b28
1323045a17
1414870652
15c477635
hex859d2d0

140104400 has 60 divisors (see below), whose sum is σ = 338302752. Its totient is φ = 55758720.

The previous prime is 140104399. The next prime is 140104403. The reversal of 140104400 is 4401041.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140104403) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 90029 + ... + 91571.

Almost surely, 2140104400 is an apocalyptic number.

140104400 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 140104400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (169151376).

140104400 is an abundant number, since it is smaller than the sum of its proper divisors (198198352).

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

140104400 is a wasteful number, since it uses less digits than its factorization.

140104400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1788 (or 1777 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

The square root of 140104400 is about 11836.5704492475. The cubic root of 140104400 is about 519.3784486828.

Adding to 140104400 its reverse (4401041), we get a palindrome (144505441).

The spelling of 140104400 in words is "one hundred forty million, one hundred four thousand, four hundred".

Divisors: 1 2 4 5 8 10 16 20 25 40 50 80 100 200 227 400 454 908 1135 1543 1816 2270 3086 3632 4540 5675 6172 7715 9080 11350 12344 15430 18160 22700 24688 30860 38575 45400 61720 77150 90800 123440 154300 308600 350261 617200 700522 1401044 1751305 2802088 3502610 5604176 7005220 8756525 14010440 17513050 28020880 35026100 70052200 140104400