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2140555302 = 233371071349
BaseRepresentation
bin111111110010110…
…0100100000100110
312112011211110212000
41333211210200212
513340440232202
6552223310130
7104021264004
oct17745444046
95464743760
102140555302
119a9318976
124b8a4b346
1328161a392
14164405a74
15c7dc891c
hex7f964826

2140555302 has 32 divisors (see below), whose sum is σ = 4885356000. Its totient is φ = 694233504.

The previous prime is 2140555273. The next prime is 2140555303. The reversal of 2140555302 is 2035550412.

It is a happy number.

It is a super-2 number, since 2×21405553022 = 9163954001840622408, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2140555303) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 533677 + ... + 537672.

It is an arithmetic number, because the mean of its divisors is an integer number (152667375).

Almost surely, 22140555302 is an apocalyptic number.

2140555302 is an abundant number, since it is smaller than the sum of its proper divisors (2744800698).

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

2140555302 is a wasteful number, since it uses less digits than its factorization.

2140555302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1071397 (or 1071391 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 27.

The square root of 2140555302 is about 46266.1355853285. The cubic root of 2140555302 is about 1288.7701962633.

The spelling of 2140555302 in words is "two billion, one hundred forty million, five hundred fifty-five thousand, three hundred two".

Divisors: 1 2 3 6 9 18 27 37 54 74 111 222 333 666 999 1998 1071349 2142698 3214047 6428094 9642141 19284282 28926423 39639913 57852846 79279826 118919739 237839478 356759217 713518434 1070277651 2140555302