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2552445 = 33573773
BaseRepresentation
bin1001101111001001111101
311210200022000
421233021331
51123134240
6130412513
730460350
oct11571175
94720260
102552445
111493765
12a31139
136b4a2c
144a6297
15356430
hex26f27d

2552445 has 64 divisors (see below), whose sum is σ = 5399040. Its totient is φ = 1119744.

The previous prime is 2552413. The next prime is 2552449. The reversal of 2552445 is 5442552.

It is not a de Polignac number, because 2552445 - 25 = 2552413 is a prime.

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

Its product of digits (8000) is a multiple of the sum of its prime divisors (125).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2552449) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 34929 + ... + 35001.

It is an arithmetic number, because the mean of its divisors is an integer number (84360).

22552445 is an apocalyptic number.

It is an amenable number.

2552445 is an abundant number, since it is smaller than the sum of its proper divisors (2846595).

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

2552445 is a wasteful number, since it uses less digits than its factorization.

2552445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131 (or 125 counting only the distinct ones).

The product of its digits is 8000, while the sum is 27.

The square root of 2552445 is about 1597.6373180419. The cubic root of 2552445 is about 136.6633715909.

Adding to 2552445 its reverse (5442552), we get a palindrome (7994997).

The spelling of 2552445 in words is "two million, five hundred fifty-two thousand, four hundred forty-five".

Divisors: 1 3 5 7 9 15 21 27 35 37 45 63 73 105 111 135 185 189 219 259 315 333 365 511 555 657 777 945 999 1095 1295 1533 1665 1971 2331 2555 2701 3285 3885 4599 4995 6993 7665 8103 9855 11655 13505 13797 18907 22995 24309 34965 40515 56721 68985 72927 94535 121545 170163 283605 364635 510489 850815 2552445