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372052061 = 439847499
BaseRepresentation
bin10110001011010…
…001000001011101
3221221002012110222
4112023101001131
51230221131221
6100530211125
712135250613
oct2613210135
9857065428
10372052061
11181017247
12a4723aa5
135c107664
14375ab6b3
15229e29ab
hex162d105d

372052061 has 4 divisors (see below), whose sum is σ = 372900000. Its totient is φ = 371204124.

The previous prime is 372052027. The next prime is 372052067. The reversal of 372052061 is 160250273.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 160250273 = 967165719.

It is a cyclic number.

It is not a de Polignac number, because 372052061 - 222 = 367857757 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 372052061.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (372052067) 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 3 ways as a sum of consecutive naturals, for example, 423311 + ... + 424188.

It is an arithmetic number, because the mean of its divisors is an integer number (93225000).

Almost surely, 2372052061 is an apocalyptic number.

It is an amenable number.

372052061 is a deficient number, since it is larger than the sum of its proper divisors (847939).

372052061 is an equidigital number, since it uses as much as digits as its factorization.

372052061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 847938.

The product of its (nonzero) digits is 2520, while the sum is 26.

The square root of 372052061 is about 19288.6510933243. The cubic root of 372052061 is about 719.2301835150.

The spelling of 372052061 in words is "three hundred seventy-two million, fifty-two thousand, sixty-one".

Divisors: 1 439 847499 372052061