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1228606132 = 221347502703
BaseRepresentation
bin100100100111011…
…0000101010110100
310011121211122202211
41021032300222310
510004010344012
6321525143204
742305660035
oct11116605264
93147748684
101228606132
11580574a76
122a355ab04
131676cbba0
14b9258a8c
1572cdb6a7
hex493b0ab4

1228606132 has 24 divisors (see below), whose sum is σ = 2364719616. Its totient is φ = 554983008.

The previous prime is 1228606129. The next prime is 1228606153. The reversal of 1228606132 is 2316068221.

It is a junction number, because it is equal to n+sod(n) for n = 1228606094 and 1228606103.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 248908 + ... + 253795.

It is an arithmetic number, because the mean of its divisors is an integer number (98529984).

Almost surely, 21228606132 is an apocalyptic number.

It is an amenable number.

1228606132 is a deficient number, since it is larger than the sum of its proper divisors (1136113484).

1228606132 is a wasteful number, since it uses less digits than its factorization.

1228606132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 502767 (or 502765 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 31.

The square root of 1228606132 is about 35051.4783140455. The cubic root of 1228606132 is about 1071.0363883376.

The spelling of 1228606132 in words is "one billion, two hundred twenty-eight million, six hundred six thousand, one hundred thirty-two".

Divisors: 1 2 4 13 26 47 52 94 188 611 1222 2444 502703 1005406 2010812 6535139 13070278 23627041 26140556 47254082 94508164 307151533 614303066 1228606132