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1127428 = 22281857
BaseRepresentation
bin100010011010000000100
32010021112121
410103100010
5242034203
640055324
712403651
oct4232004
92107477
101127428
11700065
12464544
13306223
14214c28
151740bd
hex113404

1127428 has 6 divisors (see below), whose sum is σ = 1973006. Its totient is φ = 563712.

The previous prime is 1127411. The next prime is 1127443. The reversal of 1127428 is 8247211.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 1044484 + 82944 = 1022^2 + 288^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 140925 + ... + 140932.

21127428 is an apocalyptic number.

It is an amenable number.

1127428 is a deficient number, since it is larger than the sum of its proper divisors (845578).

1127428 is a wasteful number, since it uses less digits than its factorization.

1127428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 281861 (or 281859 counting only the distinct ones).

The product of its digits is 896, while the sum is 25.

The square root of 1127428 is about 1061.8041250626. The cubic root of 1127428 is about 104.0789587755.

The spelling of 1127428 in words is "one million, one hundred twenty-seven thousand, four hundred twenty-eight".

Divisors: 1 2 4 281857 563714 1127428