Search a number
-
+
190073455 = 5113134
BaseRepresentation
bin10110101010001…
…00101001101111
3111020122201202121
423111010221233
5342124322310
630505533411
74465412005
oct1325045157
9436581677
10190073455
1198323000
12537a4267
13304c0000
141b35aa75
1511a480da
hexb544a6f

190073455 has 40 divisors (see below), whose sum is σ = 271785744. Its totient is φ = 127601760.

The previous prime is 190073441. The next prime is 190073467. The reversal of 190073455 is 554370091.

It is not a de Polignac number, because 190073455 - 215 = 190040687 is a prime.

It is a super-2 number, since 2×1900734552 = 72255836591274050, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 190073455.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 14621029 + ... + 14621041.

Almost surely, 2190073455 is an apocalyptic number.

190073455 is a deficient number, since it is larger than the sum of its proper divisors (81712289).

190073455 is an frugal number, since it uses more digits than its factorization.

190073455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90 (or 29 counting only the distinct ones).

The product of its (nonzero) digits is 18900, while the sum is 34.

The square root of 190073455 is about 13786.7129875108. The cubic root of 190073455 is about 574.9637834782.

The spelling of 190073455 in words is "one hundred ninety million, seventy-three thousand, four hundred fifty-five".

Divisors: 1 5 11 13 55 65 121 143 169 605 715 845 1331 1573 1859 2197 6655 7865 9295 10985 17303 20449 24167 28561 86515 102245 120835 142805 224939 265837 314171 1124695 1329185 1570855 2924207 3455881 14621035 17279405 38014691 190073455