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140003790 = 23511034231
BaseRepresentation
bin10000101100001…
…00100111001110
3100202102221002120
420112010213032
5241320110130
621520433410
73320004213
oct1026044716
9322387076
10140003790
1172034a13
123aa78866
132300bca4
1414845b0a
15c457910
hex85849ce

140003790 has 32 divisors (see below), whose sum is σ = 336393216. Its totient is φ = 37291680.

The previous prime is 140003777. The next prime is 140003791. The reversal of 140003790 is 97300041.

It is a super-2 number, since 2×1400037902 = 39202122428728200, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 140003790.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140003791) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30975 + ... + 35205.

It is an arithmetic number, because the mean of its divisors is an integer number (10512288).

Almost surely, 2140003790 is an apocalyptic number.

140003790 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

140003790 is an abundant number, since it is smaller than the sum of its proper divisors (196389426).

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

140003790 is a wasteful number, since it uses less digits than its factorization.

140003790 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5344.

The product of its (nonzero) digits is 756, while the sum is 24.

The square root of 140003790 is about 11832.3197218466. The cubic root of 140003790 is about 519.2540957506.

The spelling of 140003790 in words is "one hundred forty million, three thousand, seven hundred ninety".

Divisors: 1 2 3 5 6 10 15 30 1103 2206 3309 4231 5515 6618 8462 11030 12693 16545 21155 25386 33090 42310 63465 126930 4666793 9333586 14000379 23333965 28000758 46667930 70001895 140003790