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142372 = 2235593
BaseRepresentation
bin100010110000100100
321020022001
4202300210
514023442
63015044
71132036
oct426044
9236261
10142372
1197a6a
126a484
134ca59
1439c56
152c2b7
hex22c24

142372 has 6 divisors (see below), whose sum is σ = 249158. Its totient is φ = 71184.

The previous prime is 142369. The next prime is 142381. The reversal of 142372 is 273241.

It can be written as a sum of positive squares in only one way, i.e., 87616 + 54756 = 296^2 + 234^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17793 + ... + 17800.

2142372 is an apocalyptic number.

It is an amenable number.

142372 is a deficient number, since it is larger than the sum of its proper divisors (106786).

142372 is a wasteful number, since it uses less digits than its factorization.

142372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35597 (or 35595 counting only the distinct ones).

The product of its digits is 336, while the sum is 19.

The square root of 142372 is about 377.3221435326. The cubic root of 142372 is about 52.2165525424.

The spelling of 142372 in words is "one hundred forty-two thousand, three hundred seventy-two", and thus it is an iban number.

Divisors: 1 2 4 35593 71186 142372