Search a number
-
+
140524804 = 22722722109
BaseRepresentation
bin10000110000000…
…11110100000100
3100210102101210101
420120003310010
5241433243204
621535533444
73324304210
oct1030036404
9323371711
10140524804
1172360402
123b08a284
1323162194
141493d940
15c50bea4
hex8603d04

140524804 has 24 divisors (see below), whose sum is σ = 282300480. Its totient is φ = 59956896.

The previous prime is 140524799. The next prime is 140524831. The reversal of 140524804 is 408425041.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4699 + ... + 17410.

It is an arithmetic number, because the mean of its divisors is an integer number (11762520).

Almost surely, 2140524804 is an apocalyptic number.

140524804 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

140524804 is an abundant number, since it is smaller than the sum of its proper divisors (141775676).

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

140524804 is a wasteful number, since it uses less digits than its factorization.

140524804 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22347 (or 22345 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 28.

The square root of 140524804 is about 11854.3158385459. The cubic root of 140524804 is about 519.8974205941.

Adding to 140524804 its reverse (408425041), we get a palindrome (548949845).

The spelling of 140524804 in words is "one hundred forty million, five hundred twenty-four thousand, eight hundred four".

Divisors: 1 2 4 7 14 28 227 454 908 1589 3178 6356 22109 44218 88436 154763 309526 619052 5018743 10037486 20074972 35131201 70262402 140524804