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26325990 = 2325734007
BaseRepresentation
bin110010001101…
…1001111100110
31211112111110200
41210123033212
523214412430
62340131330
7436524105
oct144331746
954474420
1026325990
1113951119
128996b46
1355b9912
1436d403c
1524a0460
hex191b3e6

26325990 has 48 divisors (see below), whose sum is σ = 69402528. Its totient is φ = 6922368.

The previous prime is 26325983. The next prime is 26325991. The reversal of 26325990 is 9952362.

26325990 is a `hidden beast` number, since 2 + 63 + 2 + 599 + 0 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26325991) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4567 + ... + 8573.

It is an arithmetic number, because the mean of its divisors is an integer number (1445886).

Almost surely, 226325990 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 26325990, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34701264).

26325990 is an abundant number, since it is smaller than the sum of its proper divisors (43076538).

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

26325990 is a wasteful number, since it uses less digits than its factorization.

26325990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4093 (or 4090 counting only the distinct ones).

The product of its (nonzero) digits is 29160, while the sum is 36.

The square root of 26325990 is about 5130.8858884212. The cubic root of 26325990 is about 297.4826014353.

The spelling of 26325990 in words is "twenty-six million, three hundred twenty-five thousand, nine hundred ninety".

Divisors: 1 2 3 5 6 9 10 15 18 30 45 73 90 146 219 365 438 657 730 1095 1314 2190 3285 4007 6570 8014 12021 20035 24042 36063 40070 60105 72126 120210 180315 292511 360630 585022 877533 1462555 1755066 2632599 2925110 4387665 5265198 8775330 13162995 26325990