Search a number
-
+
55030758 = 2373125641
BaseRepresentation
bin1101000111101…
…1001111100110
310211112212000020
43101323033212
5103041441013
65243300010
71235516346
oct321731746
9124485006
1055030758
1129077472
121651a606
13b52a1a3
147446d26
154c70623
hex347b3e6

55030758 has 16 divisors (see below), whose sum is σ = 111570096. Its totient is φ = 18092160.

The previous prime is 55030757. The next prime is 55030763. The reversal of 55030758 is 85703055.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55030753) 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, 62383 + ... + 63258.

It is an arithmetic number, because the mean of its divisors is an integer number (6973131).

Almost surely, 255030758 is an apocalyptic number.

55030758 is an abundant number, since it is smaller than the sum of its proper divisors (56539338).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55030758 is a wasteful number, since it uses less digits than its factorization.

55030758 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125719.

The product of its (nonzero) digits is 21000, while the sum is 33.

The square root of 55030758 is about 7418.2719011910. The cubic root of 55030758 is about 380.3661245087.

The spelling of 55030758 in words is "fifty-five million, thirty thousand, seven hundred fifty-eight".

Divisors: 1 2 3 6 73 146 219 438 125641 251282 376923 753846 9171793 18343586 27515379 55030758