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190933197 = 37131275507
BaseRepresentation
bin10110110000101…
…10100011001101
3111022021102002220
423120112203031
5342334330242
630540205553
74505622360
oct1330264315
9438242086
10190933197
119885aa34
1253b398b9
1330731430
141b5020d7
1511b67bec
hexb6168cd

190933197 has 32 divisors (see below), whose sum is σ = 315850752. Its totient is φ = 99900864.

The previous prime is 190933181. The next prime is 190933207. The reversal of 190933197 is 791339091.

190933197 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 190933197 - 24 = 190933181 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (190933177) 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, 31918 + ... + 37424.

It is an arithmetic number, because the mean of its divisors is an integer number (9870336).

Almost surely, 2190933197 is an apocalyptic number.

It is an amenable number.

190933197 is a deficient number, since it is larger than the sum of its proper divisors (124917555).

190933197 is a wasteful number, since it uses less digits than its factorization.

190933197 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5657.

The product of its (nonzero) digits is 45927, while the sum is 42.

The square root of 190933197 is about 13817.8579020049. The cubic root of 190933197 is about 575.8293735302.

The spelling of 190933197 in words is "one hundred ninety million, nine hundred thirty-three thousand, one hundred ninety-seven".

Divisors: 1 3 7 13 21 39 91 127 273 381 889 1651 2667 4953 5507 11557 16521 34671 38549 71591 115647 214773 501137 699389 1503411 2098167 4895723 9092057 14687169 27276171 63644399 190933197