Search a number
-
+
190101944 = 2344815303
BaseRepresentation
bin10110101010010…
…11100110111000
3111020201011211202
423111023212320
5342131230234
630510313332
74465561034
oct1325134670
9436634752
10190101944
119834244a
12537b8848
13304ccc76
141b3671c4
1511a5177e
hexb54b9b8

190101944 has 16 divisors (see below), whose sum is σ = 356587920. Its totient is φ = 95011840.

The previous prime is 190101941. The next prime is 190101971. The reversal of 190101944 is 449101091.

It is a super-2 number, since 2×1901019442 = 72277498225158272, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (190101941) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33197 + ... + 38499.

It is an arithmetic number, because the mean of its divisors is an integer number (22286745).

Almost surely, 2190101944 is an apocalyptic number.

It is an amenable number.

190101944 is a deficient number, since it is larger than the sum of its proper divisors (166485976).

190101944 is a wasteful number, since it uses less digits than its factorization.

190101944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9790 (or 9786 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 29.

The square root of 190101944 is about 13787.7461537410. The cubic root of 190101944 is about 574.9925080309.

The spelling of 190101944 in words is "one hundred ninety million, one hundred one thousand, nine hundred forty-four".

Divisors: 1 2 4 8 4481 5303 8962 10606 17924 21212 35848 42424 23762743 47525486 95050972 190101944