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140204202 = 23171374551
BaseRepresentation
bin10000101101101…
…01100010101010
3100202211010000020
420112311202222
5241343013302
621525021310
73321500415
oct1026654252
9322733006
10140204202
1172161546
123ab54836
132307c288
1414898b7c
15c496ebc
hex85b58aa

140204202 has 16 divisors (see below), whose sum is σ = 296903232. Its totient is φ = 43985600.

The previous prime is 140204189. The next prime is 140204203. The reversal of 140204202 is 202402041.

It is not an unprimeable number, because it can be changed into a prime (140204203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 687174 + ... + 687377.

It is an arithmetic number, because the mean of its divisors is an integer number (18556452).

Almost surely, 2140204202 is an apocalyptic number.

140204202 is an abundant number, since it is smaller than the sum of its proper divisors (156699030).

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

140204202 is a wasteful number, since it uses less digits than its factorization.

140204202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1374573.

The product of its (nonzero) digits is 128, while the sum is 15.

The square root of 140204202 is about 11840.7855313742. The cubic root of 140204202 is about 519.5017441319.

Adding to 140204202 its reverse (202402041), we get a palindrome (342606243).

The spelling of 140204202 in words is "one hundred forty million, two hundred four thousand, two hundred two".

Divisors: 1 2 3 6 17 34 51 102 1374551 2749102 4123653 8247306 23367367 46734734 70102101 140204202