Search a number
-
+
10120557 = 34771777
BaseRepresentation
bin100110100110…
…110101101101
3201001011210110
4212212311231
510042324212
61000530233
7152010666
oct46466555
921034713
1010120557
1157927a7
123480979
1321346c5
1414b636d
15d4da3c
hex9a6d6d

10120557 has 8 divisors (see below), whose sum is σ = 13781376. Its totient is φ = 6603392.

The previous prime is 10120549. The next prime is 10120577. The reversal of 10120557 is 75502101.

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 10120557 - 23 = 10120549 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10120577) 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, 35748 + ... + 36029.

It is an arithmetic number, because the mean of its divisors is an integer number (1722672).

Almost surely, 210120557 is an apocalyptic number.

It is an amenable number.

10120557 is a deficient number, since it is larger than the sum of its proper divisors (3660819).

10120557 is an equidigital number, since it uses as much as digits as its factorization.

10120557 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71827.

The product of its (nonzero) digits is 350, while the sum is 21.

The square root of 10120557 is about 3181.2822886377. The cubic root of 10120557 is about 216.3057868925.

Adding to 10120557 its reverse (75502101), we get a palindrome (85622658).

The spelling of 10120557 in words is "ten million, one hundred twenty thousand, five hundred fifty-seven".

Divisors: 1 3 47 141 71777 215331 3373519 10120557