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1228602 = 23972111
BaseRepresentation
bin100101011111100111010
32022102022210
410223330322
5303303402
642155550
713304634
oct4537472
92272283
101228602
1176a081
124b2bb6
133402ab
1423da54
1519406c
hex12bf3a

1228602 has 16 divisors (see below), whose sum is σ = 2483712. Its totient is φ = 405120.

The previous prime is 1228589. The next prime is 1228603. The reversal of 1228602 is 2068221.

It is not an unprimeable number, because it can be changed into a prime (1228603) 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 7 ways as a sum of consecutive naturals, for example, 474 + ... + 1637.

It is an arithmetic number, because the mean of its divisors is an integer number (155232).

21228602 is an apocalyptic number.

1228602 is an abundant number, since it is smaller than the sum of its proper divisors (1255110).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1228602 is a wasteful number, since it uses less digits than its factorization.

1228602 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2213.

The product of its (nonzero) digits is 384, while the sum is 21.

The square root of 1228602 is about 1108.4232043764. The cubic root of 1228602 is about 107.1035187647.

It can be divided in two parts, 1228 and 602, that added together give a triangular number (1830 = T60).

The spelling of 1228602 in words is "one million, two hundred twenty-eight thousand, six hundred two".

Divisors: 1 2 3 6 97 194 291 582 2111 4222 6333 12666 204767 409534 614301 1228602