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140820088 = 2317602511
BaseRepresentation
bin10000110010010…
…11111001111000
3100210222101211211
420121023321320
5242022220323
621550132504
73326644123
oct1031137170
9323871754
10140820088
1172542242
123b1b1134
13232366c6
14149b93ba
15c56970d
hex864be78

140820088 has 8 divisors (see below), whose sum is σ = 264037680. Its totient is φ = 70410040.

The previous prime is 140820023. The next prime is 140820089. The reversal of 140820088 is 880028041.

140820088 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140820089) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8801248 + ... + 8801263.

It is an arithmetic number, because the mean of its divisors is an integer number (33004710).

Almost surely, 2140820088 is an apocalyptic number.

It is an amenable number.

140820088 is a deficient number, since it is larger than the sum of its proper divisors (123217592).

140820088 is a wasteful number, since it uses less digits than its factorization.

140820088 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17602517 (or 17602513 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 31.

The square root of 140820088 is about 11866.7640070914. The cubic root of 140820088 is about 520.2613183604.

The spelling of 140820088 in words is "one hundred forty million, eight hundred twenty thousand, eighty-eight".

Divisors: 1 2 4 8 17602511 35205022 70410044 140820088