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30602772 = 2234293257
BaseRepresentation
bin111010010111…
…1011000010100
32010120210010000
41310233120110
530313242042
63011531300
7521055624
oct164573024
963523100
1030602772
1116302352
12a2b9b30
136456465
1440c8884
152a4774c
hex1d2f614

30602772 has 60 divisors (see below), whose sum is σ = 82785780. Its totient is φ = 9846144.

The previous prime is 30602753. The next prime is 30602827. The reversal of 30602772 is 27720603.

It can be written as a sum of positive squares in 2 ways, for example, as 21566736 + 9036036 = 4644^2 + 3006^2 .

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

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 19 ways as a sum of consecutive naturals, for example, 7768 + ... + 11024.

It is an arithmetic number, because the mean of its divisors is an integer number (1379763).

Almost surely, 230602772 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30602772, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41392890).

30602772 is an abundant number, since it is smaller than the sum of its proper divisors (52183008).

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

30602772 is a wasteful number, since it uses less digits than its factorization.

30602772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3302 (or 3291 counting only the distinct ones).

The product of its (nonzero) digits is 3528, while the sum is 27.

The square root of 30602772 is about 5531.9772233804. The cubic root of 30602772 is about 312.7905249145.

It can be divided in two parts, 3060 and 2772, that added together give a cube (5832 = 183).

The spelling of 30602772 in words is "thirty million, six hundred two thousand, seven hundred seventy-two".

Divisors: 1 2 3 4 6 9 12 18 27 29 36 54 58 81 87 108 116 162 174 261 324 348 522 783 1044 1566 2349 3132 3257 4698 6514 9396 9771 13028 19542 29313 39084 58626 87939 94453 117252 175878 188906 263817 283359 351756 377812 527634 566718 850077 1055268 1133436 1700154 2550231 3400308 5100462 7650693 10200924 15301386 30602772