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140381276 = 22723072333
BaseRepresentation
bin10000101111000…
…00110001011100
3100210011002220112
420113200301130
5241414200101
621532505152
73323135600
oct1027406134
9323132815
10140381276
1172272592
123b01b1b8
1323111a59
1414903500
15c4ce6bb
hex85e0c5c

140381276 has 36 divisors (see below), whose sum is σ = 286829928. Its totient is φ = 59941728.

The previous prime is 140381273. The next prime is 140381309. The reversal of 140381276 is 672183041.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140381273) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 59006 + ... + 61338.

It is an arithmetic number, because the mean of its divisors is an integer number (7967498).

Almost surely, 2140381276 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 140381276, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (143414964).

140381276 is an abundant number, since it is smaller than the sum of its proper divisors (146448652).

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

140381276 is a wasteful number, since it uses less digits than its factorization.

140381276 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2658 (or 2649 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 32.

The square root of 140381276 is about 11848.2604630384. The cubic root of 140381276 is about 519.7203575321.

The spelling of 140381276 in words is "one hundred forty million, three hundred eighty-one thousand, two hundred seventy-six".

Divisors: 1 2 4 7 14 28 49 98 196 307 614 1228 2149 2333 4298 4666 8596 9332 15043 16331 30086 32662 60172 65324 114317 228634 457268 716231 1432462 2864924 5013617 10027234 20054468 35095319 70190638 140381276