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140574 = 2373347
BaseRepresentation
bin100010010100011110
321010211110
4202110132
513444244
63002450
71123560
oct422436
9233743
10140574
1196685
1269426
134bca5
1439330
152b9b9
hex2251e

140574 has 16 divisors (see below), whose sum is σ = 321408. Its totient is φ = 40152.

The previous prime is 140557. The next prime is 140587. The reversal of 140574 is 475041.

It is a super-3 number, since 3×1405743 = 8333669307117672, which contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 140574.

It is a congruent number.

It is an unprimeable number.

140574 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1632 + ... + 1715.

It is an arithmetic number, because the mean of its divisors is an integer number (20088).

2140574 is an apocalyptic number.

140574 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

140574 is an abundant number, since it is smaller than the sum of its proper divisors (180834).

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

140574 is a wasteful number, since it uses less digits than its factorization.

140574 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3359.

The product of its (nonzero) digits is 560, while the sum is 21.

The square root of 140574 is about 374.9319938335. The cubic root of 140574 is about 51.9958083406.

The spelling of 140574 in words is "one hundred forty thousand, five hundred seventy-four".

Divisors: 1 2 3 6 7 14 21 42 3347 6694 10041 20082 23429 46858 70287 140574