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74140206 = 23711531531
BaseRepresentation
bin1000110101101…
…00101000101110
312011111201020120
410122310220232
5122434441311
611205025410
71560116130
oct432645056
9164451216
1074140206
11389396a8
12209b5266
131248b15a
149bbd050
156797706
hex46b4a2e

74140206 has 32 divisors (see below), whose sum is σ = 169721088. Its totient is φ = 21150720.

The previous prime is 74140181. The next prime is 74140207. The reversal of 74140206 is 60204147.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74140207) 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 15 ways as a sum of consecutive naturals, for example, 47661 + ... + 49191.

It is an arithmetic number, because the mean of its divisors is an integer number (5303784).

Almost surely, 274140206 is an apocalyptic number.

74140206 is an abundant number, since it is smaller than the sum of its proper divisors (95580882).

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

74140206 is a wasteful number, since it uses less digits than its factorization.

74140206 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2696.

The product of its (nonzero) digits is 1344, while the sum is 24.

The square root of 74140206 is about 8610.4707188399. The cubic root of 74140206 is about 420.0986276313.

The spelling of 74140206 in words is "seventy-four million, one hundred forty thousand, two hundred six".

Divisors: 1 2 3 6 7 14 21 42 1153 1531 2306 3062 3459 4593 6918 8071 9186 10717 16142 21434 24213 32151 48426 64302 1765243 3530486 5295729 10591458 12356701 24713402 37070103 74140206