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369990425 = 5272319743
BaseRepresentation
bin10110000011011…
…001101100011001
3221210012110110002
4112003121230121
51224204143200
6100414102345
712111603200
oct2603315431
9853173402
10369990425
1117a939312
12a3aaa9b5
135b86515c
14371d2237
1522736bd5
hex160d9b19

369990425 has 36 divisors (see below), whose sum is σ = 550964736. Its totient is φ = 245498400.

The previous prime is 369990409. The next prime is 369990427. The reversal of 369990425 is 524099963.

It is not a de Polignac number, because 369990425 - 24 = 369990409 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 369990425.

It is not an unprimeable number, because it can be changed into a prime (369990427) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 33104 + ... + 42846.

It is an arithmetic number, because the mean of its divisors is an integer number (15304576).

Almost surely, 2369990425 is an apocalyptic number.

369990425 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

369990425 is a deficient number, since it is larger than the sum of its proper divisors (180974311).

369990425 is a wasteful number, since it uses less digits than its factorization.

369990425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9798 (or 9786 counting only the distinct ones).

The product of its (nonzero) digits is 524880, while the sum is 47.

The square root of 369990425 is about 19235.1351697876. The cubic root of 369990425 is about 717.8992424106.

The spelling of 369990425 in words is "three hundred sixty-nine million, nine hundred ninety thousand, four hundred twenty-five".

Divisors: 1 5 7 25 31 35 49 155 175 217 245 775 1085 1225 1519 5425 7595 9743 37975 48715 68201 243575 302033 341005 477407 1510165 1705025 2114231 2387035 7550825 10571155 11935175 14799617 52855775 73998085 369990425