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140499072 = 27327219131
BaseRepresentation
bin10000101111111…
…01100010000000
3100210101002111100
420113331202000
5241431432242
621535214400
73324136200
oct1027754200
9323332440
10140499072
117234303a
123b077400
132315355c
1414934400
15c50454c
hex85fd880

140499072 has 288 divisors, whose sum is σ = 498841200. Its totient is φ = 37739520.

The previous prime is 140499059. The next prime is 140499077. The reversal of 140499072 is 270994041.

It is a tau number, because it is divible by the number of its divisors (288).

It is a super-2 number, since 2×1404990722 = 39479978465722368, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (140499077) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 1072447 + ... + 1072577.

Almost surely, 2140499072 is an apocalyptic number.

140499072 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 140499072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (249420600).

140499072 is an abundant number, since it is smaller than the sum of its proper divisors (358342128).

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

140499072 is a wasteful number, since it uses less digits than its factorization.

140499072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 184 (or 162 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 36.

The square root of 140499072 is about 11853.2304457477. The cubic root of 140499072 is about 519.8656852309.

The spelling of 140499072 in words is "one hundred forty million, four hundred ninety-nine thousand, seventy-two".