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140054245 = 51723711009
BaseRepresentation
bin10000101100100…
…00111011100101
3100202112111022021
420112100323211
5241323213440
621521503141
73320304262
oct1026207345
9322474267
10140054245
1172069911
123aaa1ab1
1323028c46
141485a269
15c46784a
hex8590ee5

140054245 has 32 divisors (see below), whose sum is σ = 188490240. Its totient is φ = 99348480.

The previous prime is 140054221. The next prime is 140054251. The reversal of 140054245 is 542450041.

It is a happy number.

It is not a de Polignac number, because 140054245 - 211 = 140052197 is a prime.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 138301 + ... + 139309.

It is an arithmetic number, because the mean of its divisors is an integer number (5890320).

Almost surely, 2140054245 is an apocalyptic number.

It is an amenable number.

140054245 is a deficient number, since it is larger than the sum of its proper divisors (48435995).

140054245 is a wasteful number, since it uses less digits than its factorization.

140054245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1125.

The product of its (nonzero) digits is 3200, while the sum is 25.

The square root of 140054245 is about 11834.4516138265. The cubic root of 140054245 is about 519.3164650593.

The spelling of 140054245 in words is "one hundred forty million, fifty-four thousand, two hundred forty-five".

Divisors: 1 5 17 23 71 85 115 355 391 1009 1207 1633 1955 5045 6035 8165 17153 23207 27761 71639 85765 116035 138805 358195 394519 1217863 1647697 1972595 6089315 8238485 28010849 140054245