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140214888 = 2335117983
BaseRepresentation
bin10000101101110…
…00001001101000
3100202211122200000
420112320021220
5241343334023
621525143000
73321543522
oct1026701150
9322748600
10140214888
1172169580
123ab5aa60
13230840b8
141489ca12
15c49a243
hex85b8268

140214888 has 192 divisors, whose sum is σ = 440294400. Its totient is φ = 41446080.

The previous prime is 140214887. The next prime is 140214931. The reversal of 140214888 is 888412041.

It is a happy number.

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 (140214883) by changing a digit.

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 47 ways as a sum of consecutive naturals, for example, 1689295 + ... + 1689377.

It is an arithmetic number, because the mean of its divisors is an integer number (2293200).

Almost surely, 2140214888 is an apocalyptic number.

140214888 is a gapful number since it is divisible by the number (18) 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 140214888, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (220147200).

140214888 is an abundant number, since it is smaller than the sum of its proper divisors (300079512).

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

140214888 is a wasteful number, since it uses less digits than its factorization.

140214888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 194 (or 178 counting only the distinct ones).

The product of its (nonzero) digits is 16384, while the sum is 36.

The square root of 140214888 is about 11841.2367597308. The cubic root of 140214888 is about 519.5149421543.

It can be divided in two parts, 1402 and 14888, that added together give a triangular number (16290 = T180).

The spelling of 140214888 in words is "one hundred forty million, two hundred fourteen thousand, eight hundred eighty-eight".