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140401272 = 23311531823
BaseRepresentation
bin10000101111001…
…01101001111000
3100210012010100010
420113211221320
5241420320042
621533141520
73323251104
oct1027455170
9323163303
10140401272
1172286610
123b02a8a0
132311ab9b
141490a904
15c4d559c
hex85e5a78

140401272 has 32 divisors (see below), whose sum is σ = 382913280. Its totient is φ = 42545760.

The previous prime is 140401271. The next prime is 140401291. The reversal of 140401272 is 272104041.

It is a happy number.

140401272 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140401271) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 265648 + ... + 266175.

It is an arithmetic number, because the mean of its divisors is an integer number (11966040).

Almost surely, 2140401272 is an apocalyptic number.

140401272 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

140401272 is an abundant number, since it is smaller than the sum of its proper divisors (242512008).

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

140401272 is a wasteful number, since it uses less digits than its factorization.

140401272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 531843 (or 531839 counting only the distinct ones).

The product of its (nonzero) digits is 448, while the sum is 21.

The square root of 140401272 is about 11849.1042699438. The cubic root of 140401272 is about 519.7450327954.

The spelling of 140401272 in words is "one hundred forty million, four hundred one thousand, two hundred seventy-two".

Divisors: 1 2 3 4 6 8 11 12 22 24 33 44 66 88 132 264 531823 1063646 1595469 2127292 3190938 4254584 5850053 6381876 11700106 12763752 17550159 23400212 35100318 46800424 70200636 140401272