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142530996 = 22323949697
BaseRepresentation
bin10000111111011…
…01100110110100
3100221012022202210
420133231212310
5242441442441
622050533420
73350331156
oct1037554664
9327168683
10142530996
1173500713
123b897270
13236b538a
1414d02ad6
15c7a6616
hex87ed9b4

142530996 has 24 divisors (see below), whose sum is σ = 333970560. Its totient is φ = 47310592.

The previous prime is 142530991. The next prime is 142531001. The reversal of 142530996 is 699035241.

It is an interprime number because it is at equal distance from previous prime (142530991) and next prime (142531001).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142530991) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21981 + ... + 27716.

It is an arithmetic number, because the mean of its divisors is an integer number (13915440).

Almost surely, 2142530996 is an apocalyptic number.

It is an amenable number.

142530996 is an abundant number, since it is smaller than the sum of its proper divisors (191439564).

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

142530996 is a wasteful number, since it uses less digits than its factorization.

142530996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49943 (or 49941 counting only the distinct ones).

The product of its (nonzero) digits is 58320, while the sum is 39.

The square root of 142530996 is about 11938.6345952961. The cubic root of 142530996 is about 522.3598317570.

The spelling of 142530996 in words is "one hundred forty-two million, five hundred thirty thousand, nine hundred ninety-six".

Divisors: 1 2 3 4 6 12 239 478 717 956 1434 2868 49697 99394 149091 198788 298182 596364 11877583 23755166 35632749 47510332 71265498 142530996