Search a number
-
+
140572 = 22113311
BaseRepresentation
bin100010010100011100
321010211101
4202110130
513444242
63002444
71123555
oct422434
9233741
10140572
1196683
1269424
134bca3
143932c
152b9b7
hex2251c

140572 has 12 divisors (see below), whose sum is σ = 248976. Its totient is φ = 69440.

The previous prime is 140557. The next prime is 140587. The reversal of 140572 is 275041.

It is an interprime number because it is at equal distance from previous prime (140557) and next prime (140587).

It is a super-3 number, since 3×1405723 = 8333313613287744, which contains 333 as substring.

It is a plaindrome in base 7.

It is a congruent number.

It is an unprimeable number.

140572 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 297 + ... + 607.

It is an arithmetic number, because the mean of its divisors is an integer number (20748).

2140572 is an apocalyptic number.

It is an amenable number.

140572 is a deficient number, since it is larger than the sum of its proper divisors (108404).

140572 is a wasteful number, since it uses less digits than its factorization.

140572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 428 (or 426 counting only the distinct ones).

The product of its (nonzero) digits is 280, while the sum is 19.

The square root of 140572 is about 374.9293266737. The cubic root of 140572 is about 51.9955617514.

The spelling of 140572 in words is "one hundred forty thousand, five hundred seventy-two".

Divisors: 1 2 4 113 226 311 452 622 1244 35143 70286 140572