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190224853 = 71319310831
BaseRepresentation
bin10110101011010…
…01100111010101
3111020221102102221
423111221213111
5342144143403
630513102341
74466612260
oct1325514725
9436842387
10190224853
1198416825
12538579b1
1330543bb0
141b399cd7
1511a77dbd
hexb5699d5

190224853 has 16 divisors (see below), whose sum is σ = 235357696. Its totient is φ = 149713920.

The previous prime is 190224847. The next prime is 190224869. The reversal of 190224853 is 358422091.

It is a cyclic number.

It is not a de Polignac number, because 190224853 - 221 = 188127701 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (190224823) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12148 + ... + 22978.

It is an arithmetic number, because the mean of its divisors is an integer number (14709856).

Almost surely, 2190224853 is an apocalyptic number.

190224853 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

190224853 is a deficient number, since it is larger than the sum of its proper divisors (45132843).

190224853 is a wasteful number, since it uses less digits than its factorization.

190224853 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11044.

The product of its (nonzero) digits is 17280, while the sum is 34.

The square root of 190224853 is about 13792.2026159711. The cubic root of 190224853 is about 575.1164003794.

The spelling of 190224853 in words is "one hundred ninety million, two hundred twenty-four thousand, eight hundred fifty-three".

Divisors: 1 7 13 91 193 1351 2509 10831 17563 75817 140803 985621 2090383 14632681 27174979 190224853