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140130304 = 211531291
BaseRepresentation
bin10000101101000…
…11100000000000
3100202200100122021
420112203200000
5241333132204
621523251224
73321042106
oct1026434000
9322610567
10140130304
1172110a76
123ab19b14
1323054752
1414879c76
15c480154
hex85a3800

140130304 has 48 divisors (see below), whose sum is σ = 285699960. Its totient is φ = 68689920.

The previous prime is 140130293. The next prime is 140130317. The reversal of 140130304 is 403031041.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 107899 + ... + 109189.

Almost surely, 2140130304 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 140130304, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (142849980).

140130304 is an abundant number, since it is smaller than the sum of its proper divisors (145569656).

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

140130304 is an equidigital number, since it uses as much as digits as its factorization.

140130304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1366 (or 1346 counting only the distinct ones).

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

The square root of 140130304 is about 11837.6646345468. The cubic root of 140130304 is about 519.4104561245.

Adding to 140130304 its reverse (403031041), we get a palindrome (543161345).

The spelling of 140130304 in words is "one hundred forty million, one hundred thirty thousand, three hundred four".

Divisors: 1 2 4 8 16 32 53 64 106 128 212 256 424 512 848 1024 1291 1696 2048 2582 3392 5164 6784 10328 13568 20656 27136 41312 54272 68423 82624 108544 136846 165248 273692 330496 547384 660992 1094768 1321984 2189536 2643968 4379072 8758144 17516288 35032576 70065152 140130304