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361490485 = 51918121023
BaseRepresentation
bin10101100010111…
…110100000110101
3221012012121201111
4111202332200311
51220020143420
655511555021
711646422056
oct2542764065
9835177644
10361490485
11176063174
12a108ba71
1359b7a2c5
143601c72d
1521b0845a
hex158be835

361490485 has 16 divisors (see below), whose sum is σ = 459164160. Its totient is φ = 272445120.

The previous prime is 361490419. The next prime is 361490497. The reversal of 361490485 is 584094163.

It is not a de Polignac number, because 361490485 - 27 = 361490357 is a prime.

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, 6684 + ... + 27706.

It is an arithmetic number, because the mean of its divisors is an integer number (28697760).

Almost surely, 2361490485 is an apocalyptic number.

It is an amenable number.

361490485 is a deficient number, since it is larger than the sum of its proper divisors (97673675).

361490485 is a wasteful number, since it uses less digits than its factorization.

361490485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21228.

The product of its (nonzero) digits is 103680, while the sum is 40.

The square root of 361490485 is about 19012.9031186718. The cubic root of 361490485 is about 712.3590676420.

The spelling of 361490485 in words is "three hundred sixty-one million, four hundred ninety thousand, four hundred eighty-five".

Divisors: 1 5 19 95 181 905 3439 17195 21023 105115 399437 1997185 3805163 19025815 72298097 361490485