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140542260 = 22354157131
BaseRepresentation
bin10000110000010…
…00000100110100
3100210110021201220
420120020010310
5241434323020
621540150340
73324406125
oct1030100464
9323407656
10140542260
1172372531
123b0983b0
132316a101
141494604c
15c512240
hex8608134

140542260 has 48 divisors (see below), whose sum is σ = 403123392. Its totient is φ = 36563200.

The previous prime is 140542229. The next prime is 140542271. The reversal of 140542260 is 62245041.

It is a self number, because there is not a number n which added to its sum of digits gives 140542260.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26106 + ... + 31025.

It is an arithmetic number, because the mean of its divisors is an integer number (8398404).

Almost surely, 2140542260 is an apocalyptic number.

140542260 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

140542260 is an abundant number, since it is smaller than the sum of its proper divisors (262581132).

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

140542260 is a wasteful number, since it uses less digits than its factorization.

140542260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57184 (or 57182 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 140542260 is about 11855.0520876123. The cubic root of 140542260 is about 519.9189469329.

The spelling of 140542260 in words is "one hundred forty million, five hundred forty-two thousand, two hundred sixty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 41 60 82 123 164 205 246 410 492 615 820 1230 2460 57131 114262 171393 228524 285655 342786 571310 685572 856965 1142620 1713930 2342371 3427860 4684742 7027113 9369484 11711855 14054226 23423710 28108452 35135565 46847420 70271130 140542260