Search a number
-
+
612901 = 17311163
BaseRepresentation
bin10010101101000100101
31011010202001
42111220211
5124103101
621045301
75131612
oct2255045
91133661
10612901
11389533
12256831
13185c83
1411d509
15c1901
hex95a25

612901 has 8 divisors (see below), whose sum is σ = 670464. Its totient is φ = 557760.

The previous prime is 612889. The next prime is 612923. The reversal of 612901 is 109216.

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 612901 - 25 = 612869 is a prime.

It is a super-4 number, since 4×6129014 (a number of 24 digits) contains 4444 as substring.

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

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (612971) 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, 55 + ... + 1108.

It is an arithmetic number, because the mean of its divisors is an integer number (83808).

2612901 is an apocalyptic number.

It is an amenable number.

612901 is a deficient number, since it is larger than the sum of its proper divisors (57563).

612901 is a wasteful number, since it uses less digits than its factorization.

612901 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1211.

The product of its (nonzero) digits is 108, while the sum is 19.

The square root of 612901 is about 782.8799397098. The cubic root of 612901 is about 84.9434918534.

The spelling of 612901 in words is "six hundred twelve thousand, nine hundred one".

Divisors: 1 17 31 527 1163 19771 36053 612901