Search a number
-
+
61038341 = 7133471933
BaseRepresentation
bin1110100011010…
…1111100000101
311020212001212022
43220311330011
5111111211331
610020132525
71340550230
oct350657405
9136761768
1061038341
1131500011
1218537145
13c851780
14816c417
15555a67b
hex3a35f05

61038341 has 16 divisors (see below), whose sum is σ = 75379584. Its totient is φ = 48129984.

The previous prime is 61038331. The next prime is 61038361. The reversal of 61038341 is 14383016.

It is a de Polignac number, because none of the positive numbers 2k-61038341 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a self number, because there is not a number n which added to its sum of digits gives 61038341.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61038331) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30611 + ... + 32543.

It is an arithmetic number, because the mean of its divisors is an integer number (4711224).

Almost surely, 261038341 is an apocalyptic number.

61038341 is the 4511-st octagonal number.

It is an amenable number.

61038341 is a deficient number, since it is larger than the sum of its proper divisors (14341243).

61038341 is a wasteful number, since it uses less digits than its factorization.

61038341 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2300.

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 61038341 is about 7812.7038213412. The cubic root of 61038341 is about 393.7321760303.

The spelling of 61038341 in words is "sixty-one million, thirty-eight thousand, three hundred forty-one".

Divisors: 1 7 13 91 347 1933 2429 4511 13531 25129 31577 175903 670751 4695257 8719763 61038341