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26481004 = 221123137191
BaseRepresentation
bin110010100000…
…1000101101100
31211211101002221
41211001011230
523234343004
62343325124
7441041044
oct145010554
954741087
1026481004
1113a47630
128a507a4
135642344
143734724
1524d1354
hex194116c

26481004 has 48 divisors (see below), whose sum is σ = 53415936. Its totient is φ = 11369600.

The previous prime is 26480989. The next prime is 26481017. The reversal of 26481004 is 40018462.

It is a pancake number, because a pancake can be divided into 26481004 parts by 7277 straight cuts.

It is a self number, because there is not a number n which added to its sum of digits gives 26481004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 138549 + ... + 138739.

It is an arithmetic number, because the mean of its divisors is an integer number (1112832).

Almost surely, 226481004 is an apocalyptic number.

It is an amenable number.

26481004 is an abundant number, since it is smaller than the sum of its proper divisors (26934932).

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

26481004 is a wasteful number, since it uses less digits than its factorization.

26481004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 366 (or 364 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 25.

The square root of 26481004 is about 5145.9696851031. The cubic root of 26481004 is about 298.0653430874.

Adding to 26481004 its reverse (40018462), we get a palindrome (66499466).

The spelling of 26481004 in words is "twenty-six million, four hundred eighty-one thousand, four".

Divisors: 1 2 4 11 22 23 44 46 92 137 191 253 274 382 506 548 764 1012 1507 2101 3014 3151 4202 4393 6028 6302 8404 8786 12604 17572 26167 34661 48323 52334 69322 96646 104668 138644 193292 287837 575674 601841 1151348 1203682 2407364 6620251 13240502 26481004