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140552412 = 2237111311701
BaseRepresentation
bin10000110000010…
…10100011011100
3100210110210122220
420120022203130
5241440134122
621540305340
73324450540
oct1030124334
9323423586
10140552412
117237a120
123b0a2250
1323171910
1414949a20
15c51525c
hex860a8dc

140552412 has 96 divisors (see below), whose sum is σ = 440369664. Its totient is φ = 33696000.

The previous prime is 140552369. The next prime is 140552417. The reversal of 140552412 is 214255041.

140552412 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140552417) 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 31 ways as a sum of consecutive naturals, for example, 6162 + ... + 17862.

It is an arithmetic number, because the mean of its divisors is an integer number (4587184).

Almost surely, 2140552412 is an apocalyptic number.

140552412 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 140552412, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (220184832).

140552412 is an abundant number, since it is smaller than the sum of its proper divisors (299817252).

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

140552412 is a wasteful number, since it uses less digits than its factorization.

140552412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11739 (or 11737 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 24.

The square root of 140552412 is about 11855.4802517654. The cubic root of 140552412 is about 519.9314653267.

The spelling of 140552412 in words is "one hundred forty million, five hundred fifty-two thousand, four hundred twelve".

Divisors: 1 2 3 4 6 7 11 12 13 14 21 22 26 28 33 39 42 44 52 66 77 78 84 91 132 143 154 156 182 231 273 286 308 364 429 462 546 572 858 924 1001 1092 1716 2002 3003 4004 6006 11701 12012 23402 35103 46804 70206 81907 128711 140412 152113 163814 245721 257422 304226 327628 386133 456339 491442 514844 608452 772266 900977 912678 982884 1064791 1544532 1673243 1801954 1825356 2129582 2702931 3194373 3346486 3603908 4259164 5019729 5405862 6388746 6692972 10039458 10811724 11712701 12777492 20078916 23425402 35138103 46850804 70276206 140552412