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140356380 = 223514291637
BaseRepresentation
bin10000101110110…
…10101100011100
3100210002211202110
420113122230130
5241412401010
621532154020
73323003163
oct1027325434
9323084673
10140356380
117225590a
123b008910
1323103618
14148d83da
15c4c7120
hex85dab1c

140356380 has 48 divisors (see below), whose sum is σ = 393513120. Its totient is φ = 37379328.

The previous prime is 140356379. The next prime is 140356417. The reversal of 140356380 is 83653041.

140356380 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 84922 + ... + 86558.

It is an arithmetic number, because the mean of its divisors is an integer number (8198190).

Almost surely, 2140356380 is an apocalyptic number.

140356380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

140356380 is an abundant number, since it is smaller than the sum of its proper divisors (253156740).

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

140356380 is a wasteful number, since it uses less digits than its factorization.

140356380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3078 (or 3076 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 30.

The square root of 140356380 is about 11847.2097980917. The cubic root of 140356380 is about 519.6896323448.

The spelling of 140356380 in words is "one hundred forty million, three hundred fifty-six thousand, three hundred eighty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 1429 1637 2858 3274 4287 4911 5716 6548 7145 8185 8574 9822 14290 16370 17148 19644 21435 24555 28580 32740 42870 49110 85740 98220 2339273 4678546 7017819 9357092 11696365 14035638 23392730 28071276 35089095 46785460 70178190 140356380