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30246426 = 233732371
BaseRepresentation
bin111001101100…
…0011000011010
32002220200022000
41303120120122
530220341201
63000141430
7515043000
oct163303032
962820260
1030246426
1116089651
12a167876
1363601c2
144034a70
1529c6d86
hex1cd861a

30246426 has 128 divisors (see below), whose sum is σ = 82944000. Its totient is φ = 8149680.

The previous prime is 30246407. The next prime is 30246457. The reversal of 30246426 is 62464203.

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

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 30246426.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 425971 + ... + 426041.

It is an arithmetic number, because the mean of its divisors is an integer number (648000).

Almost surely, 230246426 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30246426, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41472000).

30246426 is an abundant number, since it is smaller than the sum of its proper divisors (52697574).

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

30246426 is a wasteful number, since it uses less digits than its factorization.

30246426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126 (or 106 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

The square root of 30246426 is about 5499.6750813116. The cubic root of 30246426 is about 311.5717126480.

The spelling of 30246426 in words is "thirty million, two hundred forty-six thousand, four hundred twenty-six".

Divisors: 1 2 3 6 7 9 14 18 21 23 27 42 46 49 54 63 69 71 98 126 138 142 147 161 189 207 213 294 322 343 378 414 426 441 483 497 621 639 686 882 966 994 1029 1127 1242 1278 1323 1449 1491 1633 1917 2058 2254 2646 2898 2982 3087 3266 3381 3479 3834 4347 4473 4899 6174 6762 6958 7889 8694 8946 9261 9798 10143 10437 11431 13419 14697 15778 18522 20286 20874 22862 23667 24353 26838 29394 30429 31311 34293 44091 47334 48706 60858 62622 68586 71001 73059 80017 88182 93933 102879 142002 146118 160034 187866 205758 213003 219177 240051 308637 426006 438354 480102 560119 617274 657531 720153 1120238 1315062 1440306 1680357 2160459 3360714 4320918 5041071 10082142 15123213 30246426