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140417530 = 25112355501
BaseRepresentation
bin10000101111010…
…01100111111010
3100210012221122021
420113221213322
5241421330110
621533345054
73323346361
oct1027514772
9323187567
10140417530
1172297850
123b03818a
13231253c6
14149127d8
15c4da2da
hex85e99fa

140417530 has 32 divisors (see below), whose sum is σ = 287722368. Its totient is φ = 48840000.

The previous prime is 140417527. The next prime is 140417539. The reversal of 140417530 is 35714041.

It is a junction number, because it is equal to n+sod(n) for n = 140417495 and 140417504.

It is not an unprimeable number, because it can be changed into a prime (140417539) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25221 + ... + 30280.

It is an arithmetic number, because the mean of its divisors is an integer number (8991324).

Almost surely, 2140417530 is an apocalyptic number.

140417530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

140417530 is an abundant number, since it is smaller than the sum of its proper divisors (147304838).

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

140417530 is a wasteful number, since it uses less digits than its factorization.

140417530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55542.

The product of its (nonzero) digits is 1680, while the sum is 25.

The square root of 140417530 is about 11849.7902935031. The cubic root of 140417530 is about 519.7650936028.

The spelling of 140417530 in words is "one hundred forty million, four hundred seventeen thousand, five hundred thirty".

Divisors: 1 2 5 10 11 22 23 46 55 110 115 230 253 506 1265 2530 55501 111002 277505 555010 610511 1221022 1276523 2553046 3052555 6105110 6382615 12765230 14041753 28083506 70208765 140417530