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140354380 = 22517412807
BaseRepresentation
bin10000101110110…
…10001101001100
3100210002202000101
420113122031030
5241412320010
621532140444
73322664305
oct1027321514
9323082011
10140354380
1172254361
123b007724
132310273a
14148d77ac
15c4c673a
hex85da34c

140354380 has 24 divisors (see below), whose sum is σ = 312082848. Its totient is φ = 52839168.

The previous prime is 140354377. The next prime is 140354393. The reversal of 140354380 is 83453041.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 206064 + ... + 206743.

It is an arithmetic number, because the mean of its divisors is an integer number (13003452).

Almost surely, 2140354380 is an apocalyptic number.

140354380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

140354380 is an abundant number, since it is smaller than the sum of its proper divisors (171728468).

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

140354380 is a wasteful number, since it uses less digits than its factorization.

140354380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 412833 (or 412831 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 140354380 is about 11847.1253897306. The cubic root of 140354380 is about 519.6871639041.

The spelling of 140354380 in words is "one hundred forty million, three hundred fifty-four thousand, three hundred eighty".

Divisors: 1 2 4 5 10 17 20 34 68 85 170 340 412807 825614 1651228 2064035 4128070 7017719 8256140 14035438 28070876 35088595 70177190 140354380