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142969532 = 2235742383
BaseRepresentation
bin10001000010110…
…00101010111100
3100222000121022212
420201120222330
5243100011112
622104155552
73354135536
oct1041305274
9328017285
10142969532
1173780142
123ba68bb8
1323809b74
1414db8856
15c841522
hex8858abc

142969532 has 6 divisors (see below), whose sum is σ = 250196688. Its totient is φ = 71484764.

The previous prime is 142969513. The next prime is 142969553. The reversal of 142969532 is 235969241.

It is a self number, because there is not a number n which added to its sum of digits gives 142969532.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17871188 + ... + 17871195.

It is an arithmetic number, because the mean of its divisors is an integer number (41699448).

Almost surely, 2142969532 is an apocalyptic number.

It is an amenable number.

142969532 is a deficient number, since it is larger than the sum of its proper divisors (107227156).

142969532 is a wasteful number, since it uses less digits than its factorization.

142969532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35742387 (or 35742385 counting only the distinct ones).

The product of its digits is 116640, while the sum is 41.

The square root of 142969532 is about 11956.9867441592. The cubic root of 142969532 is about 522.8950113841.

The spelling of 142969532 in words is "one hundred forty-two million, nine hundred sixty-nine thousand, five hundred thirty-two".

Divisors: 1 2 4 35742383 71484766 142969532