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61140201 = 373279179
BaseRepresentation
bin1110100100111…
…0110011101001
311021001020120220
43221032303221
5111122441301
610022240253
71341453213
oct351166351
9137036526
1061140201
113156a5a1
1218586089
13c888c45
1481975b3
15557a936
hex3a4ece9

61140201 has 8 divisors (see below), whose sum is σ = 82637280. Its totient is φ = 40201632.

The previous prime is 61140199. The next prime is 61140221. The reversal of 61140201 is 10204116.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 61140201 - 21 = 61140199 is a prime.

It is not an unprimeable number, because it can be changed into a prime (61140221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 139371 + ... + 139808.

It is an arithmetic number, because the mean of its divisors is an integer number (10329660).

Almost surely, 261140201 is an apocalyptic number.

It is an amenable number.

61140201 is a deficient number, since it is larger than the sum of its proper divisors (21497079).

61140201 is a wasteful number, since it uses less digits than its factorization.

61140201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 279255.

The product of its (nonzero) digits is 48, while the sum is 15.

The square root of 61140201 is about 7819.2199738849. The cubic root of 61140201 is about 393.9510727120.

Adding to 61140201 its reverse (10204116), we get a palindrome (71344317).

The spelling of 61140201 in words is "sixty-one million, one hundred forty thousand, two hundred one".

Divisors: 1 3 73 219 279179 837537 20380067 61140201