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214253445 = 35712716067
BaseRepresentation
bin11001100010100…
…11111110000101
3112221011012110210
430301103332011
5414322102240
633132110033
75211060420
oct1461237605
9487135423
10214253445
11aaa3886a
125b905319
1335507bb3
14206529b7
1513c22780
hexcc53f85

214253445 has 32 divisors (see below), whose sum is σ = 394887168. Its totient is φ = 97167168.

The previous prime is 214253437. The next prime is 214253449. The reversal of 214253445 is 544352412.

It is not a de Polignac number, because 214253445 - 23 = 214253437 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (214253449) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5302 + ... + 21368.

It is an arithmetic number, because the mean of its divisors is an integer number (12340224).

Almost surely, 2214253445 is an apocalyptic number.

It is an amenable number.

214253445 is a deficient number, since it is larger than the sum of its proper divisors (180633723).

214253445 is a wasteful number, since it uses less digits than its factorization.

214253445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16209.

The product of its digits is 19200, while the sum is 30.

The square root of 214253445 is about 14637.3988467897. The cubic root of 214253445 is about 598.3784409696.

The spelling of 214253445 in words is "two hundred fourteen million, two hundred fifty-three thousand, four hundred forty-five".

Divisors: 1 3 5 7 15 21 35 105 127 381 635 889 1905 2667 4445 13335 16067 48201 80335 112469 241005 337407 562345 1687035 2040509 6121527 10202545 14283563 30607635 42850689 71417815 214253445