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61236001 = 417571973
BaseRepresentation
bin1110100110011…
…0001100100001
311021020010000001
43221212030201
5111134023001
610024300001
71342332421
oct351461441
9137203001
1061236001
1131625572
1218611601
13c8c0728
1481c0481
155599001
hex3a66321

61236001 has 8 divisors (see below), whose sum is σ = 62844264. Its totient is φ = 59633280.

The previous prime is 61235987. The next prime is 61236011. The reversal of 61236001 is 10063216.

It can be written as a sum of positive squares in 4 ways, for example, as 21025 + 61214976 = 145^2 + 7824^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 61236001 - 223 = 52847393 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 61236001.

It is not an unprimeable number, because it can be changed into a prime (61236011) 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, 30051 + ... + 32023.

It is an arithmetic number, because the mean of its divisors is an integer number (7855533).

Almost surely, 261236001 is an apocalyptic number.

It is an amenable number.

61236001 is a deficient number, since it is larger than the sum of its proper divisors (1608263).

61236001 is a wasteful number, since it uses less digits than its factorization.

61236001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2771.

The product of its (nonzero) digits is 216, while the sum is 19.

The square root of 61236001 is about 7825.3435068373. The cubic root of 61236001 is about 394.1567247355.

Adding to 61236001 its reverse (10063216), we get a palindrome (71299217).

The spelling of 61236001 in words is "sixty-one million, two hundred thirty-six thousand, one".

Divisors: 1 41 757 1973 31037 80893 1493561 61236001