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361385074 = 21131978117
BaseRepresentation
bin10101100010100…
…100110001110010
3221012000021010101
4111202210301302
51220003310244
655505423014
711645502541
oct2542446162
9835007111
10361385074
11175aa0a56
12a103aa6a
1359b4132b
1435dd2158
1521ad70d4
hex158a4c72

361385074 has 16 divisors (see below), whose sum is σ = 549718488. Its totient is φ = 178162432.

The previous prime is 361385053. The next prime is 361385077. The reversal of 361385074 is 470583163.

It can be written as a sum of positive squares in 4 ways, for example, as 352125225 + 9259849 = 18765^2 + 3043^2 .

It is not an unprimeable number, because it can be changed into a prime (361385077) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40464 + ... + 48580.

Almost surely, 2361385074 is an apocalyptic number.

361385074 is a deficient number, since it is larger than the sum of its proper divisors (188333414).

361385074 is a wasteful number, since it uses less digits than its factorization.

361385074 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8429.

The product of its (nonzero) digits is 60480, while the sum is 37.

The square root of 361385074 is about 19010.1308254309. The cubic root of 361385074 is about 712.2898193632.

The spelling of 361385074 in words is "three hundred sixty-one million, three hundred eighty-five thousand, seventy-four".

Divisors: 1 2 113 197 226 394 8117 16234 22261 44522 917221 1599049 1834442 3198098 180692537 361385074