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140940801 = 3217838783
BaseRepresentation
bin10000110011010…
…01011000000001
3100211012112102200
420121221120001
5242040101201
621552503413
73330656061
oct1031513001
9324175380
10140940801
1172614a01
123b24ab69
1323279631
1414a0b3a1
15c590386
hex8669601

140940801 has 12 divisors (see below), whose sum is σ = 203718528. Its totient is φ = 93897144.

The previous prime is 140940797. The next prime is 140940809. The reversal of 140940801 is 108049041.

It is not a de Polignac number, because 140940801 - 22 = 140940797 is a prime.

It is not an unprimeable number, because it can be changed into a prime (140940809) 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, 11656 + ... + 20438.

It is an arithmetic number, because the mean of its divisors is an integer number (16976544).

Almost surely, 2140940801 is an apocalyptic number.

It is an amenable number.

140940801 is a deficient number, since it is larger than the sum of its proper divisors (62777727).

140940801 is a wasteful number, since it uses less digits than its factorization.

140940801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10572 (or 10569 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 27.

The square root of 140940801 is about 11871.8490977606. The cubic root of 140940801 is about 520.4099343923.

Adding to 140940801 its reverse (108049041), we get a palindrome (248989842).

The spelling of 140940801 in words is "one hundred forty million, nine hundred forty thousand, eight hundred one".

Divisors: 1 3 9 1783 5349 8783 16047 26349 79047 15660089 46980267 140940801