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140495730 = 23523203617
BaseRepresentation
bin10000101111111…
…00101101110010
3100210100220220120
420113330231302
5241431330410
621535151110
73324123354
oct1027745562
9323326816
10140495730
1172340581
123b075496
1323151b8b
14149330d4
15c503570
hex85fcb72

140495730 has 32 divisors (see below), whose sum is σ = 351851904. Its totient is φ = 35836416.

The previous prime is 140495711. The next prime is 140495759. The reversal of 140495730 is 37594041.

It is a junction number, because it is equal to n+sod(n) for n = 140495691 and 140495700.

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, 101119 + ... + 102498.

It is an arithmetic number, because the mean of its divisors is an integer number (10995372).

Almost surely, 2140495730 is an apocalyptic number.

140495730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

140495730 is an abundant number, since it is smaller than the sum of its proper divisors (211356174).

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

140495730 is a wasteful number, since it uses less digits than its factorization.

140495730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 203650.

The product of its (nonzero) digits is 15120, while the sum is 33.

The square root of 140495730 is about 11853.0894706823. The cubic root of 140495730 is about 519.8615632466.

The spelling of 140495730 in words is "one hundred forty million, four hundred ninety-five thousand, seven hundred thirty".

Divisors: 1 2 3 5 6 10 15 23 30 46 69 115 138 230 345 690 203617 407234 610851 1018085 1221702 2036170 3054255 4683191 6108510 9366382 14049573 23415955 28099146 46831910 70247865 140495730