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1245106228 = 222231395859
BaseRepresentation
bin100101000110110…
…1101000000110100
310012202212221122111
41022031231000310
510022221344403
6323314540404
742566141212
oct11215550064
93182787574
101245106228
11589914813
122a8b97704
1316ac58262
14bb511cb2
157449a56d
hex4a36d034

1245106228 has 12 divisors (see below), whose sum is σ = 2188708480. Its totient is φ = 619760952.

The previous prime is 1245106211. The next prime is 1245106229. The reversal of 1245106228 is 8226015421.

It is a self number, because there is not a number n which added to its sum of digits gives 1245106228.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1245106229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 697038 + ... + 698821.

Almost surely, 21245106228 is an apocalyptic number.

It is an amenable number.

1245106228 is a deficient number, since it is larger than the sum of its proper divisors (943602252).

1245106228 is a wasteful number, since it uses less digits than its factorization.

1245106228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1396086 (or 1396084 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 31.

The square root of 1245106228 is about 35286.0628010550. The cubic root of 1245106228 is about 1075.8097315159.

The spelling of 1245106228 in words is "one billion, two hundred forty-five million, one hundred six thousand, two hundred twenty-eight".

Divisors: 1 2 4 223 446 892 1395859 2791718 5583436 311276557 622553114 1245106228