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25419030 = 2357139311
BaseRepresentation
bin110000011110…
…1110100010110
31202211102100120
41200331310112
523001402110
62304452410
7426025650
oct140756426
952742316
1025419030
111339176a
12861a106
13535cb60
1435396d0
152371870
hex183dd16

25419030 has 64 divisors (see below), whose sum is σ = 75091968. Its totient is φ = 5362560.

The previous prime is 25419019. The next prime is 25419041. The reversal of 25419030 is 3091452.

It is an interprime number because it is at equal distance from previous prime (25419019) and next prime (25419041).

It is a super-2 number, since 2×254190302 = 1292254172281800, which contains 22 as substring.

It is a Curzon number.

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 31 ways as a sum of consecutive naturals, for example, 1926 + ... + 7385.

It is an arithmetic number, because the mean of its divisors is an integer number (1173312).

Almost surely, 225419030 is an apocalyptic number.

25419030 is an abundant number, since it is smaller than the sum of its proper divisors (49672938).

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

25419030 is a wasteful number, since it uses less digits than its factorization.

25419030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9341.

The product of its (nonzero) digits is 1080, while the sum is 24.

The square root of 25419030 is about 5041.7288701397. The cubic root of 25419030 is about 294.0263986662.

The spelling of 25419030 in words is "twenty-five million, four hundred nineteen thousand, thirty".

Divisors: 1 2 3 5 6 7 10 13 14 15 21 26 30 35 39 42 65 70 78 91 105 130 182 195 210 273 390 455 546 910 1365 2730 9311 18622 27933 46555 55866 65177 93110 121043 130354 139665 195531 242086 279330 325885 363129 391062 605215 651770 726258 847301 977655 1210430 1694602 1815645 1955310 2541903 3631290 4236505 5083806 8473010 12709515 25419030