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140756080 = 2457124781
BaseRepresentation
bin10000110001111…
…00010001110000
3100210212011001011
420120330101300
5242013143310
621544520304
73326256403
oct1030742160
9323764034
10140756080
11724a9143
123b180094
132321352a
141499dd3a
15c55578a
hex863c470

140756080 has 40 divisors (see below), whose sum is σ = 331880544. Its totient is φ = 55507200.

The previous prime is 140756051. The next prime is 140756093. The reversal of 140756080 is 80657041.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6711 + ... + 18070.

Almost surely, 2140756080 is an apocalyptic number.

140756080 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

140756080 is an abundant number, since it is smaller than the sum of its proper divisors (191124464).

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

140756080 is a wasteful number, since it uses less digits than its factorization.

140756080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24865 (or 24859 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 31.

The square root of 140756080 is about 11864.0667563867. The cubic root of 140756080 is about 520.1824803345.

The spelling of 140756080 in words is "one hundred forty million, seven hundred fifty-six thousand, eighty".

Divisors: 1 2 4 5 8 10 16 20 40 71 80 142 284 355 568 710 1136 1420 2840 5680 24781 49562 99124 123905 198248 247810 396496 495620 991240 1759451 1982480 3518902 7037804 8797255 14075608 17594510 28151216 35189020 70378040 140756080