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25141428 = 22341347127
BaseRepresentation
bin101111111101…
…0000010110100
31202022022120000
41133322002310
522414011203
62254511300
7423461424
oct137720264
952268500
1025141428
1113212144
128505530
1352936b0
1434a6484
1523194a3
hex17fa0b4

25141428 has 120 divisors (see below), whose sum is σ = 72855552. Its totient is φ = 7511616.

The previous prime is 25141411. The next prime is 25141433. The reversal of 25141428 is 82414152.

25141428 is a `hidden beast` number, since 2 + 514 + 142 + 8 = 666.

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 polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 197901 + ... + 198027.

Almost surely, 225141428 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 25141428, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36427776).

25141428 is an abundant number, since it is smaller than the sum of its proper divisors (47714124).

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

25141428 is a wasteful number, since it uses less digits than its factorization.

25141428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 203 (or 192 counting only the distinct ones).

The product of its digits is 2560, while the sum is 27.

The square root of 25141428 is about 5014.1228544981. The cubic root of 25141428 is about 292.9521213026.

The spelling of 25141428 in words is "twenty-five million, one hundred forty-one thousand, four hundred twenty-eight".

Divisors: 1 2 3 4 6 9 12 13 18 26 27 36 39 47 52 54 78 81 94 108 117 127 141 156 162 188 234 254 282 324 351 381 423 468 508 564 611 702 762 846 1053 1143 1222 1269 1404 1524 1651 1692 1833 2106 2286 2444 2538 3302 3429 3666 3807 4212 4572 4953 5076 5499 5969 6604 6858 7332 7614 9906 10287 10998 11938 13716 14859 15228 16497 17907 19812 20574 21996 23876 29718 32994 35814 41148 44577 49491 53721 59436 65988 71628 77597 89154 98982 107442 133731 155194 161163 178308 197964 214884 232791 267462 310388 322326 465582 483489 534924 644652 698373 931164 966978 1396746 1933956 2095119 2793492 4190238 6285357 8380476 12570714 25141428