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1242932 = 22310733
BaseRepresentation
bin100101111011100110100
32100010222112
410233130310
5304233212
642350152
713364465
oct4573464
92303875
101242932
11779919
124bb358
13346982
14244d6c
15198422
hex12f734

1242932 has 6 divisors (see below), whose sum is σ = 2175138. Its totient is φ = 621464.

The previous prime is 1242931. The next prime is 1242937. The reversal of 1242932 is 2392421.

It can be written as a sum of positive squares in only one way, i.e., 1240996 + 1936 = 1114^2 + 44^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1242898 and 1242907.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1242931) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 155363 + ... + 155370.

It is an arithmetic number, because the mean of its divisors is an integer number (362523).

21242932 is an apocalyptic number.

It is an amenable number.

1242932 is a deficient number, since it is larger than the sum of its proper divisors (932206).

1242932 is a wasteful number, since it uses less digits than its factorization.

1242932 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 310737 (or 310735 counting only the distinct ones).

The product of its digits is 864, while the sum is 23.

The square root of 1242932 is about 1114.8686021231. The cubic root of 1242932 is about 107.5183166914.

The spelling of 1242932 in words is "one million, two hundred forty-two thousand, nine hundred thirty-two".

Divisors: 1 2 4 310733 621466 1242932